Karate, kuh RAH tee, is a form of unarmed combat in which a person kicks or strikes with the hands, elbows, knees, or feet. Karate is one of several Asian forms of unarmed combat called martial arts. The Japanese word karate means empty hand. Most blows are aimed at body parts that are easily injured, such as the stomach and throat. A karate blow can cripple or kill someone.