flyweight
/ˈflaɪweɪt/noun
mass noun
1- a weight in boxing and other sports intermediate between light flyweight and bantamweight. In the amateur boxing scale it ranges from 48 to 51 kg.（拳击或其他比赛）特轻量级（业余拳击为48-51公斤）。
1.1
- count noun a boxer or other competitor of this weight特轻量级拳击手（或其他运动员）。