black belt: Meaning and Definition of

black belt

1. (caps.) a narrow belt of dark-colored, calcareous soils in central Alabama and Mississippi highly adapted to agriculture, esp. the growing of cotton.
2. the area of a city or region inhabited primarily by blacks.
1. a black cloth waistband conferred upon a participant in one of the martial arts, as judo or karate, to indicate a degree of expertise of the highest rank.
2. a person who has obtained such rank.
3. the rank itself. Cf. brown belt, white belt.
4. a person proficient in some particular skill or endeavor; expert.