n.1 a weight in certain sports intermediate between welterweight and light heavyweight, in the amateur boxing scale 71-5 kg but differing for professionals, wrestlers, and weightlifters.
2 a sportsman of this weight.
Phrases and idioms:
junior middleweight
1. a weight in professional boxing of 66.7-69.8 kg.
2 a professional boxer of this weight.
light middleweight
1. a weight in amateur boxing of 67-71 kg.
2 an amateur boxer of this weight.