What is a method of tripping by getting the leg back of the opponent's heel on the outside and pulling forward while pushing his body back; a throw made in this way. -- v. t. To trip (a person) in this way called?

backheel — A method of tripping by getting the leg back of the opponent's heel on the outside and pulling forward while pushing his body back; a throw made in this way. -- v. t. To trip (a person) in this way. (Webster's 1913.)