名詞 heavyweight:

1. an amateur boxer who weighs no more than 201 pounds
2. a wrestler who weighs more than 214 pounds
3. a professional boxer who weighs more than 190 pounds
4. a very large person; impressive in size or qualities
   同義詞：giant, hulk, whale
5. a person of exceptional importance and reputation
   同義詞：colossus, behemoth, giant, titan

heav.y.weight

n.（名詞）
One of above average weight.
體重超過平均水平的人
Sports
【體育運動】
A professional boxer weighing more than 75 pounds (approximately 79.5 kilograms), heavier than a light heavyweight.
最重量級拳擊手：體重超過75磅（約合79.5公斤）的職業(yè)拳擊手，重于輕重量級拳擊手
A contestant in other sports in the heaviest weight class.
最重量級選手：其他體育項目最重量級的參賽者
Informal A person of great importance or influence.
【非正式用語】 要人：一位非常重要或者極有影響力的人物

【引伸】
heav.yweight.
adj.（形容詞）