"welterweight" in the noun sense
1. welterweight
a weight of 28 pounds sometimes imposed as a handicap in a horse race (such as a steeplechase)
2. welterweight
an amateur boxer who weighs no more than 148 pounds
3. welterweight
a wrestler who weighs 154-172 pounds
4. welterweight
a professional boxer who weighs between 141 and 147 pounds
Source: WordNet® (An amazing lexical database of English)
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