a player whose position is variable behind the line of scrimmage.
- 1895  (1964)  . . . the wings which are seven in number correspond to the American guards, tackles and ends and the extra man is called a flying wing.
- 1958  Topflight U.S. players quickly adapt to the roomier field (110 yds. between goal lines), a fifth man (called a flying wing) in the backfield, the point-scoring (one point) "rouge."
- 1964  Again in the same article Mr. Rodden says that "in 1907 Rev. Father Stanton of the University of Ottawa . . . introduced the flying wing."