Dictionary
brown' belt'
Martial Arts.
1. a brown cloth waistband conferred upon a participant in one of the martial arts, as judo or karate, to indicate an intermediate rank.
2. a person who has attained this rank.
3. the rank itself. Cf.
black belt (def. 3),
white belt. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.