A railway siding, where one train turns out to let another pass along the track.
1846. [Both locomotives] had gone beyond the turn-out place.Mr. Miller of New Jersey, U.S. Senate, Jan. 28: Cong. Globe, p. 266.
1853. A narrow pier is built a mile out in the river, covered with a net-work of rails, having various turn-outs, along which we are at last necessitated to walk.Knick. Mag., xlii. 529 (Nov.).