strawweight

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++straw·weight /ˈstrɔːˌweɪt $ ˈstrɒː-/ noun [countable]  a boxer who weighs less than 47.63 kilograms, and who belongs to the lightest weight class of boxers 草量级拳击手〔体重低于47.63公斤，属于最轻的级别〕

straw·weight nounChineseSyllable  

strawweight
straw‧weight /ˈstrɔːˌweɪt $ ˈstrɒː-/ noun [countable]
a boxer who weighs less than 47.63 kilograms, and who belongs to the lightest weight class of boxers