trunk/trʌŋk; trʌŋk/n [C]1 the thick main part of a tree, which the branches grow from 树干: a tree trunk 树干see picture at见 PLANT1 图2 AmE the space at the back of a car where you can put things [ boot BrE 【英】] 【美】〔汽车后部的〕行李箱see picture on page 见 A12 页图3 the long nose of an ELEPHANT 象鼻see picture on page 见 A2 页图4 a large box used for storing or carrying things 大箱子5 trunks also 又作 swimming trunks [plural 复数] a piece of clothing that men wear for swimming 男式游泳裤6 technical the main part of your body, not including your head, arms, or legs【术语】〔人的〕躯干: He had bruises all over his legs and trunk. 他的双腿和躯干上全是瘀伤。