Dictionary![]() ![]() white' belt'Martial Arts. 1. a white cloth waistband worn by a beginner in one of the martial arts, as judo or karate. 2. a beginner or novice in one of the martial arts. 3. the rank of beginner. Cf. black belt (def. 3), brown belt. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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