n.1 a weight in certain sports intermediate between lightweight and middleweight, in the amateur boxing scale 63.5-67 kg but differing for professionals, wrestlers, and weightlifters.
2 a sportsman of this weight.
Phrases and idioms:
junior welterweight
1. a weight in professional boxing of 61.2-63.5 kg.
2 a professional boxer of this weight.
light welterweight
1. a weight in amateur boxing of 60-63.5 kg.
2 an amateur boxer of this weight.