| 单词 | sprag |
| 释义 | sprag (once / 274868 pages) n WORD FAMILY sprag: sprags USAGE EXAMPLESSprag, sprag, n. a piece of wood used to lock a wheel: a punch-prop in mining.—v.t. to prop, or to stop, by a sprag. Various, Chambers's Twentieth Century Dictio...(2012) But the epitaphs were trim, and sprag, and potent, and pleased the survivors of Thames-Ditton above the old Mumpsimus of 'Afflictions Sore'.... Thomson, Hugh, Highways and Byways in Surrey(2010) Just run back to the stack and bring us one of them small sprags. Rogers, W. A. (William Allen), The Copper Princess—A Story of Lake...(2010) 1n a chock or bar wedged under a wheel or between the spokes to prevent a vehicle from rolling down an incline Hyper chock, wedge a block of wood used to prevent the sliding or rolling of a heavy object 2n a wooden prop used to support the roof of a mine Syn|Hyper pitprop prop a support placed beneath or against something to keep it from shaking or falling |
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