Chapter 63

number of large flues, through which the heat either passes from the fire or returns to the chimney, and sometimes containing a fire box inclosed by water. Ð Locomotive boiler, a boiler which contains an inclosed fire box and a large number of small flues leading to the chimney. Ð Multiflue boiler. Same as Tubular boiler, below. Ð Sectional boiler, a boiler composed of a number of sections, which are usually of small capacity and similar to, and connected with, each other. By multiplication of the sections a boiler of any desired capacity can be built up. Ð Tubular boiler, a boiler containing tubes which form flues, and are surrounded by the water contained in the boiler. See Illust. of Steam boiler, under Steam. Ð Tubulous boiler. See under Tubulous. See Tube, n., 6, and 1st Flue. Boil¶erÏy (?), n. [Cf. F. bouillerie.] A place and apparatus for boiling, as for evaporating brine in salt making. Boil¶ing, a. Heated to the point of bubbling; heaving with bubbles; in tumultuous agitation, as boiling liquid; surging; seething; swelling with heat, ardor, or passion. Boiling point, the temperature at which a fluid is converted into vapor, with the phenomena of ebullition. This is different for different liquids, and for the same liquid under different pressures. For water, at the level of the sea, barometer 30 in., it is 212 ? Fahrenheit; for alcohol, 172.96?; for ether, 94.8?; for mercury, about 675?. The boiling point of water is lowered one degree Fahrenheit for about 550 feet of ascent above the level of the sea. Ð Boiling spring, a spring which gives out very hot water, or water and steam, often ejecting it with much force; a geyser. Ð To be at the boiling point, to be very angry. Ð To keep the pot boiling, to keep going on actively, as in certain games. [Colloq.] Boil¶ing, n. 1. The act of ebullition or of tumultuous agitation. 2. Exposure to the action of a hot liquid. Boil¶ingÏly, adv. With boiling or ebullition. And lakes of bitumen rise boiling higher. Byron. Ø Bois¶ d'arc¶ (?). [F., bow wood. So called because used for bows by the Western Indians.] (Bot.) The Osage orange (Maclura aurantiaca). The bois d'arc seems to be the characteristic growth of the black prairies. U. S. Census (1880). Ø Bois¶ dur·ci¶ (?). [F., hardened wood.] A hard, highly polishable composition, made of fine sawdust from hard wood (as rosewood) mixed with blood, and pressed. Boist (?), n. [OF. boiste, F. boŒte, from the same root as E. box.] A box. [Obs.] Bois¶terÏous (?), a. [OE. boistous; of uncertain origin; cf. W. bwyst wild, savage, wildness, ferocity, bwystus ferocious.] 1. Rough or rude; unbending; unyielding; strong; powerful. [Obs.] ½Boisterous sword.¸ ½Boisterous hand.¸ Shak. 2. Exhibiting tumultuous violence and fury; acting with noisy turbulence; violent; rough; stormy. The waters swell before a boisterous storm. Shak. The brute and boisterous force of violent men. Milton. 3. Noisy; rough; turbulent; as, boisterous mirth; boisterous behavior. I like not that loud, boisterous man. Addison. 4. Vehement; excessive. [R.] The heat becomes too powerful and boisterous for them. Woodward. Syn. Ð Loud; roaring; violent; stormy; turbulent; furious; tumultuous; noisy; impetuous; vehement. Bois¶terÏousÏly, adv. In a boisterous manner. Bois¶terÏousÏness, n. The state or quality of being boisterous; turbulence; disorder; tumultuousness. Bois¶tous (?), a. Rough or rude; coarse; strong; violent; boisterous; noisy. [Obs.] Chaucer. Ð Bois¶tousÏly, adv. Ð Bois¶tousÏness, n. [Obs.] Chaucer. BoÏja¶nus or¶gan (?). [From Bojanus, the discoverer.] (Zo”l.) A glandular organ of bivalve mollusca, serving in part as a kidney. Bo¶kaÏdam· (?), n. (Zo”l.) See Cerberus. Boke, v. t. & i. To poke; to thrust. [Obs. or Dial.] Bo¶lar (?), a. [See Bole clay.] Of or pertaining to bole or clay; partaking of the nature and qualities of bole; clayey. Ø Bo¶las (?), n. sing. & pl. [Sp.] A kind of missile weapon consisting of one, two, or more balls of stone, iron, or other material, attached to the ends of a leather cord; Ð used by the Gauchos of South America, and others, for hurling at and entangling an animal. Bold (?), a. [OE. bald, bold, AS. bald, beald; akin to Icel. ballr, OHG. bald, MHG. balt, D. boud, Goth. bal?ei boldness, It. baldo. In Ger. there remains only bald, adv. soon. Cf. Bawd, n.] 1. Forward to meet danger; venturesome; daring; not timorous or shrinking from risk; brave; courageous. Throngs of knights and barons bold. Milton. 2. Exhibiting or requiring spirit and contempt of danger; planned with courage; daring; vigorous. ½The bold design leased highly.¸ Milton. 3. In a bad sense, too forward; taking undue liberties; over assuming or confident; lacking proper modesty or restraint; rude; impudent. Thou art too wild, too rude and bold of voice. Shak. 4. Somewhat overstepping usual bounds, or conventional rules, as in art, literature, etc.; taking liberties in o composition or expression; as, the figures of an author are bold. ½Bold tales.¸ Waller. The cathedral church is a very bold work. Addison. 5. Standing prominently out to view; markedly conspicuous; striking the eye; in high relief. Shadows in painting ... make the figure bolder. Dryden. 6. Steep; abrupt; prominent. Where the bold cape its warning forehead rears. Trumbull. Bold eagle (Zo”l.), an Australian eagle (Aquila audax), which destroys lambs and even the kangaroo. Ð To make bold, to take liberties or the liberty; to venture. Syn. Ð Courageous; daring; brave; intrepid; fearless; dauntless; valiant; manful; audacious; stouthearted; highÏspirited; adventurous; confident; strenuous; forward; impudent. Bold (?), v. t. To make bold or daring. [Obs.] Shak. Bold, v. i. To be or become bold. [Obs.] Bold¶en (?), v. t. [imp. & p.p. Boldened (?). ] To make bold; to encourage; to embolden. Ready speakers, being boldened with their present abilities to say more, ... use less help of diligence and study. Ascham. Bold¶Ðfaced· (?), a. 1. Somewhat impudent; lacking modesty; as, a boldÐfaced woman. I have seen enough to confute all the boldÐfaced atheists of this age. Bramhall. 2. (Print.) Having a conspicuous or heavy face. µ This line is boldÐfaced nonpareil.? Bold¶ly, adv. [AS. bealdlÆce.] In a bold manner. Bold¶ness, n. The state or quality of being bold. Syn. Ð Courage; bravery; intrepidity; dauntlessness; hardihood; assurance. Ø Bol¶do (?), Ø Bol¶du (?), } n. (Bot.) A fragrant evergreen shrub of Chili (Peumus Boldus). The bark is used in tanning, the wood for making charcoal, the leaves in medicine, and the drupes are eaten. Bole (?), n. [OE. bole, fr. Icel. bolr; akin to Sw. b†l, Dan. bul, trunk, stem of a tree, G. bohle a thick plank or board; cf. LG. boll round. Cf. Bulge.] The trunk or stem of a tree, or that which is like it. Enormous elmÏtree boles did stoop and lean. Tennyson. Bole, n. [Etym. doubtful.] An aperture, with a wooden shutter, in the wall of a house, for giving, occasionally, air or light; also, a small closet. [Scot.] Open the bole wi'speed, that I may see if this be the right Lord Geraldin. Sir W. Scott. Bole, n. A measure. See Boll, n., 2. Mortimer. Bole, n. [Gr. ? a clod or lump of earth: cf. F. bol, and also L. bolus morsel. Cf. Bolus.] 1. Any one of several varieties of friable earthy clay, usually colored more or less strongly red by oxide of iron, and used to color and adulterate various substances. It was formerly used in medicine. It is composed essentially of hydrous silicates of alumina, or more rarely of magnesia. See Clay, and Terra alba. 2. A bolus; a dose. Coleridge. Armenian bole. See under Armenian. Ð Bole Armoniac, or Armoniak, Armenian bole. [Obs.] Chaucer. BoÏlec¶tion (?), n. (Arch.) A projecting molding round a panel. Same as Bilection. Gwilt. Ø BoÏle¶ro (?), n. [Sp.] (Mus.) A Spanish dance, or the lively music which accompanies it. BoÏlet¶ic (?), a. (Chem.) Pertaining to, or obtained from, the Boletus. Boletic acid, an acid obtained from the Boletus fomentarius, variety pseudoÏigniarius. Same as Fumaric acid. Ø BoÏle¶tus (?), n. [L. boletus, Gr. ?.] (Bot.) A genus of fungi having the under side of the pileus or cap composed of a multitude of fine separate tubes. A few are edible, and others very poisonous. Bo¶ley, Bo¶lye (?), n. Same as Booly. Bo¶lide (?), n. [F. See Bolis.] A kind of meteor; a bolis. Ø Bo¶lis, n. [L., fr. Gr. ? missile, arrow, fr. ? to throw.] A meteor or brilliant shooting star, followed by a train of light or sparks; esp. one which explodes. BoÏliv¶iÏan (?), a. Of or pertaining to Bolivia. Ð n. A native of Bolivia. Boll (?), n. [OE. bolle boll, bowl, AS. bolla. See Bowl a vessel.] 1. The pod or capsule of a plant, as of flax or cotton; a pericarp of a globular form. 2. A Scotch measure, formerly in use: for wheat and beans it contained four Winchester bushels; for oats, barley, and potatoes, six bushels. A boll of meal is 140 lbs. avoirdupois. Also, a measure for salt of two bushels. [Sometimes spelled bole.] Boll, v. i. [imp. & p.p. Bolled (?).] To form a boll or seed vessel; to go to seed. The barley was in the ear, and the flax was bolled. Ex. ix. 31. Bol¶landÏists (?), n. pl. The Jesuit editors of the ½Acta Sanctorum¸, or Lives of the Saints; Ð named from John Bolland, who began the work. Bol¶lard (?), n. [Cf. Bole the stem of a tree, and Pollard.] An upright wooden or iron post in a boat or on a dock, used in veering or fastening ropes. Bollard timber (Naut.), a timber, also called a knighthead, rising just within the stem in a ship, on either side of the bowsprit, to secure its end. Boll¶en (?), a. See Boln, a. Boll¶ing (?), n. [Cf. Bole stem of a tree, and Poll, v. t.] A tree from which the branches have been cut; a pollard. Boll¶worm· (?), n. (Zo”l.) The larva of a moth (Heliothis armigera) which devours the bolls or unripe pods of the cotton plant, often doing great damage to the crops. Boln (?), v. i. [OE. bolnen, bollen; cf. Dan. bulne. Cf. Bulge.] To swell; to puff. Holland. Boln (?), Boll¶en (?), } a. Swollen; puffed out. Thin, and boln out like a sail. B. Jonson. BoÏlo¶gna (?), n. 1. A city of Italy which has given its name to various objects. 2. A Bologna sausage. Bologna sausage [It. salsiccia di Bologna], a large sausage made of bacon or ham, veal, and pork, chopped fine and inclosed in a skin. Ð Bologna stone (Min.), radiated barite, or barium sulphate, found in roundish masses composed of radiating fibers, first discovered near Bologna. It is phosphorescent when calcined. Ð Bologna vial, a vial of unannealed glass which will fly into pieces when its surface is scratched by a hard body, as by dropping into it a fragment of flint; whereas a bullet may be dropped into it without injury. BoÏlo·gnese¶ (?), a. Of or pertaining to Bologna. Ð n. A native of Bologna. Bolognese school (Paint.), a school of painting founded by the Carracci, otherwise called the Lombard or Eclectic school, the object of which was to unite the excellences of the preceding schools. BoÏlo¶gnian (?), a. & n. Bolognese. Bolognian stone. See Bologna stone, under Bologna. BoÏlom¶eÏter (?), n. [Gr. ? a stroke, ray + Ïmeter.] (Physics) An instrument for measuring minute quantities of radiant heat, especially in different parts of the spectrum; Ð called also actinic balance, thermic balance. S. P. Langley. Bol¶ster (?), n. [AS. bolster; akin to Icel. b?lstr, Sw. & Dan. bolster, OHG. bolstar, polstar, G. polster; from the same root as E. bole stem, bowl hollow vessel. Cf. Bulge, Poltroon.] 1. A long pillow or cushion, used to support the head of a person lying on a bed; Ð generally laid under the pillows. And here I'll fling the pillow, there the bolster, This way the coverlet, another way the sheets. Shak. 2. A pad, quilt, or anything used to hinder pressure, support any part of the body, or make a bandage sit easy upon a wounded part; a compress. This arm shall be a bolster for thy head. Gay. 3. Anything arranged to act as a support, as in various forms of mechanism, etc. 4. (Saddlery) A cushioned or a piece part of a saddle. 5. (Naut.) (a) A cushioned or a piece of soft wood covered with tarred canvas, placed on the trestletrees and against the mast, for the collars of the shrouds to rest on, to prevent chafing. (b) Anything used to prevent chafing. 6. A plate of iron or a mass of wood under the end of a bridge girder, to keep the girder from resting directly on the abutment. 7. A transverse bar above the axle of a wagon, on which the bed or body rests. 8. The crossbeam forming the bearing piece of the body of a railway car; the central and principal cross beam of a car truck. 9. (Mech.) the perforated plate in a punching machine on which anything rests when being punched. 10. (Cutlery) (a) That part of a knife blade which abuts upon the end of the handle. (b) The metallic end of a pocketknife handle. G. Francis. 11. (Arch.) The rolls forming the ends or sides of the Ionic capital. G. Francis. 12. (Mil.) A block of wood on the carriage of a siege gun, upon which the breech of the gun rests when arranged for transportation. [See Illust. of Gun carriage.] Bolster work (Arch.), members which are bellied or curved outward like cushions, as in friezes of certain classical styles. Bol¶ster, v. t. [imp. & p.p. Bolstered (?); p. pr. & vb. n. Bolstering.] 1. To support with a bolster or pillow. S. Sharp. 2. To support, hold up, or maintain with difficulty or unusual effort; Ð often with up. To bolster baseness. Drayton. Shoddy inventions designed to bolster up a factitious pride. Compton Reade. Bol¶stered (?), a. 1. Supported; upheld. 2. Swelled out. Bol¶sterÏer (?), n. A supporter. Bolt (?), n. [AS. bolt; akin to Icel. bolti, Dan. bolt, D. bout, OHG. bolz, G. bolz, bolzen; of uncertain origin.] 1. A shaft or missile intended to be shot from a crossbow or catapult, esp. a short, stout, bluntÐheaded arrow; a quarrel; an arrow, or that which resembles an arrow; a dart. Look that the crossbowmen lack not bolts. Sir W. Scott. A fool's bolt is soon shot. Shak. 2. Lightning; a thunderbolt. 3. A strong pin, of iron or other material, used to fasten or hold something in place, often having a head at one end and screw thread cut upon the other end. 4. A sliding catch, or fastening, as for a door or gate; the portion of a lock which is shot or withdrawn by the action of the key. 5. An iron to fasten the legs of a prisoner; a shackle; a fetter. [Obs.] Away with him to prison! lay bolts enough upon him. Shak. 6. A compact package or roll of cloth, as of canvas or silk, often containing about forty yards. 7. A bundle, as of oziers. Bolt auger, an auger of large size; an auger to make holes for the bolts used by shipwrights. Ð Bolt and nut, a metallic pin with a head formed upon one end, and a movable piece (the nut) screwed upon a thread cut upon the other end. See B, C, and D, in illust. above. See Tap bolt, Screw bolt, and Stud bolt. Bolt, v. t. [imp. & p.p. Bolted; p. pr. & vb. n. Bolting.] 1. To shoot; to discharge or drive forth.

<-- p. 164 -->