|
boccaccio n. 意大利诗人 义大利诗人 Boccaccio n 1: Italian poet ( born in France) ( 1313- 1375) [ synonym: { Boccaccio}, { Giovanni Boccaccio}] Jack \ Jack\ ( j[ a^] k), n. [ F. Jacques James, L. Jacobus, Gr. ?, Heb. Ya ' aq[= o] b Jacob; prop., seizing by the heel; hence, a supplanter. Cf. { Jacobite}, { Jockey}.] [ 1913 Webster] 1. A familiar nickname of, or substitute for, John. [ 1913 Webster] You are John Rugby, and you are Jack Rugby. -- Shak. [ 1913 Webster] 2. An impertinent or silly fellow; a simpleton; a boor; a clown; also, a servant; a rustic. " Jack fool." -- Chaucer. [ 1913 Webster] Since every Jack became a gentleman, There ' s many a gentle person made a Jack. -- Shak. [ 1913 Webster] 3. A popular colloquial name for a sailor; -- called also { Jack tar}, and { Jack afloat}. [ 1913 Webster] 4. A mechanical contrivance, an auxiliary machine, or a subordinate part of a machine, rendering convenient service, and often supplying the place of a boy or attendant who was commonly called Jack; as: ( a) A device to pull off boots. ( b) A sawhorse or sawbuck. ( c) A machine or contrivance for turning a spit; a smoke jack, or kitchen jack. ( b) ( Mining) A wooden wedge for separating rocks rent by blasting. ( e) ( Knitting Machine) A lever for depressing the sinkers which push the loops down on the needles. ( f) ( Warping Machine) A grating to separate and guide the threads; a heck box. ( g) ( Spinning) A machine for twisting the sliver as it leaves the carding machine. ( h) A compact, portable machine for planing metal. ( i) A machine for slicking or pebbling leather. ( k) A system of gearing driven by a horse power, for multiplying speed. ( l) A hood or other device placed over a chimney or vent pipe, to prevent a back draught. ( m) In the harpsichord, an intermediate piece communicating the action of the key to the quill; -- called also { hopper}. ( n) In hunting, the pan or frame holding the fuel of the torch used to attract game at night; also, the light itself. -- C. Hallock. [ 1913 Webster] 5. A portable machine variously constructed, for exerting great pressure, or lifting or moving a heavy body such as an automobile through a small distance. It consists of a lever, screw, rack and pinion, hydraulic press, or any simple combination of mechanical powers, working in a compact pedestal or support and operated by a lever, crank, capstan bar, etc. The name is often given to a jackscrew, which is a kind of jack. [ 1913 Webster] 6. The small bowl used as a mark in the game of bowls. -- Shak. [ 1913 Webster] Like an uninstructed bowler who thinks to attain the jack by delivering his bowl straight forward upon it. -- Sir W. Scott. [ 1913 Webster] 7. The male of certain animals, as of the ass. [ 1913 Webster] 8. ( Zool.) ( a) A young pike; a pickerel. ( b) The jurel. ( c) A large, California rock fish ({ Sebastodes paucispinus}); -- called also { boccaccio}, and { m[' e] rou}. ( d) The wall- eyed pike. [ 1913 Webster] 9. A drinking measure holding half a pint; also, one holding a quarter of a pint. [ Prov. Eng.] -- Halliwell. [ 1913 Webster] 10. ( Naut.) ( a) A flag, containing only the union, without the fly, usually hoisted on a jack staff at the bowsprit cap; -- called also { union jack}. The American jack is a small blue flag, with a star for each State. ( b) A bar of iron athwart ships at a topgallant masthead, to support a royal mast, and give spread to the royal shrouds; -- called also { jack crosstree}. -- R. H. Dana, Jr. [ 1913 Webster] 11. The knave of a suit of playing cards. 12. ( pl.) A game played with small ( metallic, with tetrahedrally oriented spikes) objects ( the jacks( 1950), formerly jackstones) that are tossed, caught, picked up, and arranged on a horizontal surface in various patterns; in the modern American game, the movements are accompanied by tossing or bouncing a rubber ball on the horizontal surface supporting the jacks. same as { jackstones}. [ PJC] 13. Money. [ slang] [ PJC] 14. Apple jack. [ PJC] 15. Brandy. [ PJC] Note: Jack is used adjectively in various senses. It sometimes designates something cut short or diminished in size; as, a jack timber; a jack rafter; a jack arch, etc. [ 1913 Webster] { Jack arch}, an arch of the thickness of one brick. { Jack back} ( Brewing & Malt Vinegar Manuf.), a cistern which receives the wort. See under 1st { Back}. { Jack block} ( Naut.), a block fixed in the topgallant or royal rigging, used for raising and lowering light masts and spars. { Jack boots}, boots reaching above the knee; -- worn in the 17 century by soldiers; afterwards by fishermen, etc. { Jack crosstree}. ( Naut.) See 10, b, above. { Jack curlew} ( Zool.), the whimbrel. { Jack frame}. ( Cotton Spinning) See 4 ( g), above. { Jack Frost}, frost or cold weather personified as a mischievous person. { Jack hare}, a male hare. -- Cowper. { Jack lamp}, a lamp for still hunting and camp use. See def. 4 ( n.), above. { Jack plane}, a joiner' s plane used for coarse work. { Jack post}, one of the posts which support the crank shaft of a deep- well- boring apparatus. { Jack pot} ( Poker Playing), the name given to the stakes, contributions to which are made by each player successively, till such a hand is turned as shall take the " pot," which is the sum total of all the bets. See also { jackpot}. { Jack rabbit} ( Zool.), any one of several species of large American hares, having very large ears and long legs. The California species ({ Lepus Californicus}), and that of Texas and New Mexico ({ Lepus callotis}), have the tail black above, and the ears black at the tip. They do not become white in winter. The more northern prairie hare ({ Lepus campestris}) has the upper side of the tail white, and in winter its fur becomes nearly white. { Jack rafter} ( Arch.), in England, one of the shorter rafters used in constructing a hip or valley roof; in the United States, any secondary roof timber, as the common rafters resting on purlins in a trussed roof; also, one of the pieces simulating extended rafters, used under the eaves in some styles of building. { Jack salmon} ( Zool.), the wall- eyed pike, or glasseye. { Jack sauce}, an impudent fellow. [ Colloq. & Obs.] { Jack shaft} ( Mach.), the first intermediate shaft, in a factory or mill, which receives power, through belts or gearing, from a prime mover, and transmits it, by the same means, to other intermediate shafts or to a line shaft. { Jack sinker} ( Knitting Mach.), a thin iron plate operated by the jack to depress the loop of thread between two needles. { Jack snipe}. ( Zool.) See in the Vocabulary. { Jack staff} ( Naut.), a staff fixed on the bowsprit cap, upon which the jack is hoisted. { Jack timber} ( Arch.), any timber, as a rafter, rib, or studding, which, being intercepted, is shorter than the others. { Jack towel}, a towel hung on a roller for common use. { Jack truss} ( Arch.), in a hip roof, a minor truss used where the roof has not its full section. { Jack tree}. ( Bot.) See 1st { Jack}, n. { Jack yard} ( Naut.), a short spar to extend a topsail beyond the gaff. [ 1913 Webster] { Blue jack}, blue vitriol; sulphate of copper. { Hydraulic jack}, a jack used for lifting, pulling, or forcing, consisting of a compact portable hydrostatic press, with its pump and a reservoir containing a supply of liquid, as oil. { Jack- at- a- pinch}. ( a) One called upon to take the place of another in an emergency. ( b) An itinerant parson who conducts an occasional service for a fee. { Jack- at- all- trades}, one who can turn his hand to any kind of work. { Jack- by- the- hedge} ( Bot.), a plant of the genus { Erysimum} ({ Erysimum alliaria}, or { Alliaria officinalis}), which grows under hedges. It bears a white flower and has a taste not unlike garlic. Called also, in England, { sauce- alone}. -- Eng. Cyc. { Jack- in- office}, an insolent fellow in authority. -- Wolcott. { Jack- in- the- bush} ( Bot.), a tropical shrub with red fruit ({ Cordia Cylindrostachya}). { Jack- in- the- green}, a chimney sweep inclosed in a framework of boughs, carried in Mayday processions. { Jack- of- the- buttery} ( Bot.), the stonecrop ({ Sedum acre}). { Jack- of- the- clock}, a figure, usually of a man, on old clocks, which struck the time on the bell. { Jack- on- both- sides}, one who is or tries to be neutral. { Jack- out- of- office}, one who has been in office and is turned out. -- Shak. { Jack the Giant Killer}, the hero of a well- known nursery story. { Yellow Jack} ( Naut.), the yellow fever; also, the quarantine flag. See { Yellow flag}, under { Flag}. [ 1913 Webster]
|
安装中文字典英文字典查询工具!
中文字典英文字典工具:
英文字典中文字典相关资料:
|