n.
(柔道等有道位者所系的)黑腰带的,黑腰带级选手(柔道中达到最高级别者)

Black belt \Black" belt`\ (bl[a^]k"b[e^]lt`), n. (Martial arts)
a comedy that treats of morbid, tragic, gloomy, or grotesque
situations as a major element of the plot.
[PJC]