featherweight

noun

1. a boxer or other contestant intermediate in weight between a bantamweight and a lightweight, especially a professional boxer weighing up to 126 pounds (57 kg).
2. an insignificant person or thing: He thinks he’s a major composer, but he’s just a featherweight.

adjective

3. belonging to the class of featherweights, especially in boxing.
4. extremely light in weight: a featherweight quilt.
5. unimportant; trifling; slight.

noun

1. 1. something very light or of little importance
   2. (as modifier)featherweight considerations
2. 1. a professional boxer weighing 118–126 pounds (53.5–57 kg)
   2. an amateur boxer weighing 54–57 kg (119–126 pounds)
   3. (as modifier)the featherweight challenger
3. a wrestler in a similar weight category (usually 126–139 pounds (57–63 kg))