钳，夹夹子或老虎钳，用来固定机器部件到位、或控制其运动或把两个该种机件连接起来 A clamp or vise that holds a machine part in place or controls its movement or that holds two such parts together.
虎钳由金属或木头做成的钳夹工具，通常由两个靠螺旋或标杆进行开合的部件组成，用于木工业或五金业中使物件定位 A clamping device of metal or wood, usually consisting of two jaws closed or opened by a screw or lever, used in carpentry or metalworking to hold a piece in position.
老虎钳是用螺栓拧在工作台上的。 The vice is bolted to the work-bench.
