Walkover: A non-airborne tumbling skill where the athlete leans forward to a handstand and brings the legs over and back down to the floor one at a time (front walkover) or by stretching through the upper back, going backwards, similar to a handstand and lands on the feet one at a time (back walkover) with support of one or both hands.
(The definition used in the video is different, but the example shown in the video remains useful)