A wedge or block placed under a wheel or cask to prevent it from rolling; hence in a mine, a bar used as a brake for the wheel of a tram; also U.S.…
单词 | θ103398 |
释义 | the world > space > relative position > support > [noun] > that which supports > supporting blocks > chock (3) trig1647 A wedge or block placed under a wheel or cask to prevent it from rolling; hence in a mine, a bar used as a brake for the wheel of a tram; also U.S.… chock1769 gen. (originally Nautical). A block or wedge of wood or other material used to confine, secure, or steady an object (originally esp. on board a ship… chuck1789 A boat-chock; = chock, n.1 5b. |
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