wrench² n 1 [C] especially AmE a metal tool with a round end, used for turning NUTs 【尤美】 扳子，扳手; SPANNER BrE【英】 2 be a wrench if it is a wrench to leave someone or something, it makes you feel very sad 〔离别〕使人感到痛苦: It was a wrench to leave LA. 离开洛杉矶真让人伤感。