| 释义 |
Definition of sprag in English: spragnoun spraɡspræɡ 1A simple brake on a vehicle, especially a stout stick or bar inserted between the spokes of a wheel to check its motion. 制轮木（插在车轮辐条之间的棍棒，用以防止车轮滑动） 2A prop in a coal mine. 煤面防护柱；煤矿矿井中的支柱 Synonyms prop, beam, joist, batten, rod, post, pole, column, strut, stay, support, truss, reinforcement, buttress, shore, stanchion, bracket
OriginMid 19th century: of unknown origin. Rhymesbag, blag, brag, Bragg, crag, dag, drag, flag, gag, hag, jag, lag, mag, nag, quag, rag, sag, scrag, slag, snag, stag, swag, tag, wag, zag Definition of sprag in US English: spragnounspraɡspræɡ 1A simple brake on a vehicle, especially a stout stick or bar inserted between the spokes of a wheel to check its motion. 制轮木（插在车轮辐条之间的棍棒，用以防止车轮滑动） - 1.1 A one-way clutch that keeps a vehicle from rolling backwards.
2A prop used to support a roof, wall, or seam. Synonyms prop, beam, joist, batten, rod, post, pole, column, strut, stay, support, truss, reinforcement, buttress, shore, stanchion, bracket
OriginMid 19th century: of unknown origin. |