| 单词 | barrel |
| 释义 | barrel /bar"euhl/, n. , v. , barreled, barreling or (esp. Brit.) barrelled, barrelling. n. 1. a cylindrical wooden container with slightly bulging sides made of staves hooped together, and with flat, parallel ends. 2. the quantity that such a vessel of some standard size can hold: for most liquids, 311/2 U.S. gallons (119 L); for petroleum, 42 U.S. gallons (159 L); for dry materials, 105 U.S. dry quarts (115 L). Abbr.: bbl 3. any large quantity: a barrel of fun. 4. any container, case, or part similar to a wooden barrel in form. 5. Ordn. the tube of a gun. 6. Mach. the chamber of a pump in which the piston works. 7. a drum turning on a shaft, as in a weight-driven clock. 8. Horol. the cylindrical case in a watch or clock within which the mainspring is coiled. 9. Ornith. Obs. a calamus or quill. 10. the trunk of a quadruped, esp. of a horse, cow, etc. 11. Naut. the main portion of a capstan, about which the rope winds, between the drumhead at the top and the pawl rim at the bottom. 12. a rotating horizontal cylinder in which manufactured objects are coated or polished by tumbling in a suitable substance. 13. any structure having the form of a barrel vault. 14. Also called throat. Auto. a passageway in a carburetor that has the shape of a Venturi tube. 15. over a barrel, Informal. in a helpless, weak, or awkward position; unable to act: They really had us over a barrel when they foreclosed the mortgage. v.t. 16. to put or pack in a barrel or barrels. 17. to finish (metal parts) by tumbling in a barrel. 18. Informal. to force to go or proceed at high speed: He barreled his car through the dense traffic. v.i. 19. Informal. to travel or drive very fast: to barrel along the highway. [1250-1300; ME barell < AF baril, OF barril < VL *barriculum, equiv. to *barric(a), perh. deriv. of LL barra BAR1 + L -ulum -ULE; cf. ML (ca. 800) barriclus small cask] |
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