two-trackPronunciation: (tOO'trak"), [key] Dressage.
an oblique movement of a horse in which the forehand and hindquarters move on two distinct parallel tracks and the body is maintained uniformly in the direction of the movement.
(of a horse) to execute a two-track.
to cause (a horse) to two-track.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.