turnback

Etymology
.

Noun

 * 1)  Part of a garment that is turned back.
 * 2) The act of turning back a boat containing immigrants.
 * 3) The strap from the hames to the hip-strap, on a horse.
 * 4) A place, e.g. on a railway, where vehicles can reverse direction, i.e. turn back.
 * 5)  A cadet at a military academy who fails a class and has to retake it.
 * 1) A place, e.g. on a railway, where vehicles can reverse direction, i.e. turn back.
 * 2)  A cadet at a military academy who fails a class and has to retake it.
 * 1)  A cadet at a military academy who fails a class and has to retake it.