1. (noun) a weight of 28 pounds; sometimes imposed as a handicap in a horse race (such as a steeplechase)

• weight
• weight unit

2. (noun) an amateur boxer who weighs no more than 148 pounds

• boxer
• pugilist

3. (noun) a wrestler who weighs 154-172 pounds

• grappler
• matman
• wrestler

4. (noun) a professional boxer who weighs between 141 and 147 pounds

• gladiator
• prizefighter