1. boxers or wrestlers competing in the heaviest weight class
Usage: sports
2. people of great influence, importance, or power in a particular field
Usage: figurative

Examples

• The two heavyweights will face off in the championship match next month.
• Muhammad Ali was one of the greatest heavyweights in boxing history.
• The conference brought together heavyweights from the tech industry.
• These political heavyweights rarely agree on policy matters.
• The company hired several heavyweights to lead their expansion efforts.
• Only heavyweights in the field were invited to the exclusive summit.