featherweight

adj. light like a feather; belonging to the featherweight class (Boxing); ineffective

n. weight of a feather; boxer in the featherweight class; ineffective person

For the mixed martial arts division of the same name, see Featherweight (MMA) Featherweight is a weight class division in the sport of boxing and wrestling (Greco-Roman).
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Noun
1. an amateur boxer who weighs no more than 126 pounds
(hypernym) boxer, pugilist
2. weighs 126-139 pounds
(hypernym) wrestler, grappler, matman
3. a professional boxer who weighs between 123 and 126 pounds
(hypernym) prizefighter, gladiator
Adjective
1. of a weight class of 123-126 pounds for prizefighters; "the featherweight class"
(similar) light