re.coil 5ri:7kCIl n [U] The recoil of a gun is the sudden movement back that it makes when it is fired. (枪炮等的)反冲力，后坐力 He raised the gun with both hands, pulled the trigger, and the force of the recoil almost broke his wrist. 他双手举起枪，扣动扳机，后坐力差点折断了他的手腕。