nosebag

A bag to contain feed for a horse, having straps at its open end, by which it may be fastened on the horse’s head.

A bag in which feed for a horse, ox, or the like, may be fastened under the nose by a string passing over the head.

A bag in which feed for a horse, ox, or the like, may be fastened under the nose by a string passing over the head.

Food.

a canvas bag that is used to feed an animal (such as a horse); covers the muzzle and fastens at the top of the head