turnback

noun6

1. •
   The act of turning back a boat containing immigrants.
2. •
   [before a noun] Part of a garment that is turned back.
3. •
   A place, e.g. on a railway, where vehicles can reverse direction, i.e. turn back.

   • Removal of one set of train turnbacks also makes more efficient use of infrastructure and reduces peak loads at interchange stations. — 2023
4. •
   The turning back of a weaver around another element.

   • Most basketmakers make their turnbacks in a particular section of the weaving on the sides or in the middle of the basket. — 1991
5. •
   (US) A cadet at a military academy who fails a class and has to retake it.
6. •
   The strap from the hames to the hip-strap, on a horse.