名詞 cruiserweight:

1. a professional boxer who weighs between 169 and 175 pounds
   同義詞：light heavyweight

cruis.er.weight

n.（名詞）
Sports A boxer in a subcategory of the heavyweight division, having an upper weight limit set at 90 pounds (8' kilograms).
【體育運動】 次重量級拳擊手：重量級中拳擊手的一個分級，該級別的體重上限為90鎊（8'公斤）
Chiefly British A light heavyweight boxer.
【多用于英國】 輕重量級拳擊手

來源：
Possibly after the cruiser warship [the second heaviest warship]
可能源自 cruiser warship [第二重的戰(zhàn)艦]