BACKHANDER
Back"hand`er, n.
Defn: A backhanded blow.
BACKHEEL
Back"heel`, n. (Wrestling)
Defn: 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.
Defn: To trip (a person) in this way.
BACKHOUSE
Back"house`, n. Etym: [Back, a. + house.]
Defn: A building behind the main building. Specifically: A privy; a necessary.
BACKING
Back"ing, n.
1. The act of moving backward, or of putting or moving anything backward.
2. That which is behind, and forms the back of, anything, usually giving strength or stability.