junior middleweight(redirected from junior middleweights)
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1. A weight division in professional boxing having an upper limit of 154 pounds (69.3 kilograms), between welterweight and middleweight.
2. A boxer competing in this weight division. In both senses also called super welterweight.
a. a professional boxer weighing 147–154 pounds (66.5–70 kg)
b. (as modifier): the junior-middleweight championship. Compare light middleweight