breechen noun2 •The part of the harness that fits over the horse's rump and holds the load back or permits the horse to back it up https://web.archive.org/web/20160705124646/http://www.gaitedhorses.net/Articles/HorseGlossary.htmlThe breechen kept pressure back off the horse's hind quarters when they braked — the horses were very aware of this and paid close attention to its functioning. — 2014 •(historical) A rope used to limit the recoil of a cannon on a ship formsbreechens