/ˈlaɪtweɪt ||; ˈlaɪtˈwet/noun [C] adj 1 a person who is in one of the lightest weight groups in certain fighting sports 轻量级选手（某些搏击运动的最低体重组别）: a lightweight boxing champion 轻量级拳击冠军
2 (a thing) weighing less than usual 较一般重量轻的（物品）: a lightweight suit for the summer 一套轻便的夏季西服