1.〈古〉石弩
2.【台】撞空;【网】(碰壁)弹回;〈比喻〉间接的一击
3.(拖炮用的)垫肩
1.in billiards, a shot where the cue ball touches the cushion after hitting the target ball and before hitting another ball
2.a catapult that ancient and medieval soldiers used to launch stones
3.a harness worn by soldiers in the past for hauling guns