I. noun
1. : an area characterized by rich black soil
2. often capitalized both Bs : an area densely populated by blacks
II. ˈ ̷ ̷ ˈ ̷ ̷ noun
Etymology: so called from the color of the belt of the uniform worn by the holder of the rating
1. : a rating of expert in various arts of self-defense (as judo and karate)
2. : one who holds a black belt