a professional boxer who weighs between 155 and 160 pounds a wrestler who weighs 172-192 pounds an amateur boxer who weighs no more than 165 pounds of middle weight or of a middleweight category (155-160 lbs for prizefighters); "a middleweight boxer
A weight division in professional boxing between light middleweight or welterweight and super middleweight or cruiserweight; a similar division in wrestling and other sports