heavyweight
1. [ adjective ] (boxing) heaviest in a category or of a heavyweight category (more than 175 pounds for boxers)
Examples:

"a heavyweight boxer"

Related terms: heavy
2. [ noun ] a very large person; impressive in size or qualities
Synonyms: hulk whale giant
Related terms: large_person loom
3. [ noun ] a wrestler who weighs more than 214 pounds
Related terms: wrestler
4. [ noun ] (boxing) a professional boxer who weighs more than 190 pounds
Related terms: boxer prizefighter
5. [ noun ] (boxing) an amateur boxer who weighs no more than 201 pounds
Related terms: boxer
6. [ noun ] a person of exceptional importance and reputation
Synonyms: giant behemoth titan colossus
Related terms: important_person