bascule

名词 n.
中文释义

英文释义

名词 n.
  1. A counterbalanced structure having one end that rises as the other lowers.
    — In the late eighties and early nineties several new types of movable spans were advocated, including the pull-back draw, the jackknife span, the bob-tail swing, the horizontal-folding draw, the shearpole draw, the gyratory lift, the transbordeur, the double-cantilever swing, several types of bascule, and the vertical lift.
  2. The portion of a breech-loading firearm that pivots open in order to allow access to the chamber.
    — A device for coupling and releasing the trigger mechanism in a bascule of a gun

词形变化

bascules plural

词汇关系

衍生词
basculation bascule bridge
相关词
bacule

词源

From French bascule, from earlier French bacule, from Old French bacul, from Old French battre + cul, from Latin battuō (“beat”) + cul (“bottom”).
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