Word: Crupper
Part of Speech: Noun
Definition: A crupper is a strap that is attached to the back of a saddle and goes under a horse's tail. Its main purpose is to keep the saddle from sliding forward when the horse is moving.
In more advanced discussions, you might encounter the crupper in historical contexts or discussions about different types of saddles used in various cultures.
The word "crupper" is quite specific to horse riding and does not have other meanings in general English usage.
There aren't specific idioms or phrasal verbs that include "crupper," but you might hear phrases related to riding or saddling a horse, such as "saddle up" (getting ready to ride).