Definition of backheel:
(n) :
(soccer) A kick played by the heel which typically travels in the opposite direction from which the player is facing.
(v) :
(soccer) To perform such a kick.
(n) :
(wrestling) A method of tripping or throwing by getting the leg back of the opponent's heel on the outside and pulling forward while pushing his body back.
(v) :
(wrestling) To perform such a trip or throw.