a Japanese martial art employing principles similar to judo

a Japanese martial art employing principles similar to judo

a Japanese martial art employing principles similar to judo

a Japanese martial art employing principles similar to judo

a sport adapted from jujitsu (using principles of not resisting) and similar to wrestling; developed in Japan

Any of the levels of proficiency at the grade of black belt in martial arts such as judo and karate, One who has achieved such a level, An expert or expert level in shogi and certain other games