middleweight

noun

1. a boxer or other contestant intermediate in weight between a welterweight and a light heavyweight, especially a professional boxer weighing up to 160 pounds (72.5 kg).

adjective

2. Boxing. of or relating to middleweights: the middleweight division.
3. (of a horse, especially a hunter) able to carry up to 185 pounds (83.9 kg).

noun

1. 1. a professional boxer weighing 154–160 pounds (70–72.5 kg)
   2. an amateur boxer weighing 71–75 kg (157–165 pounds)
   3. (as modifier)a middleweight contest
2. a wrestler in a similar weight category (usually 172–192 pounds (78–87 kg))

n.also middle weight, 1842, from middle + weight.