a short side track, space, spur, etc., that enables trains, automobiles, etc., to pass one another or park.
7.
Ballet. the turning out of the legs from the hips, with the feet back to back or heel to heel.
8.
Railroads. a track structure composed of a switch, a frog, and closure rails, permitting a train to leave a given track for a branching or parallel track. Compare crossover(def. 6).