Definitions by CNCW
RHK
Roundhouse kick = A roundhouse kick (also known as a round kick or turning kick) is a kick in which the attacker swings his leg around in a semicircular motion, striking with the front of the leg or foot. This type of kick is utilized in many different martial arts and is popular in both non-contact and full-contact martial arts competitions. The kick has many variations based on stance, leg movement, striking surface, and the height of the kick.