found: Work cat.: Treasures of the Navajo horsemen : historic saddle blankets from the Getzwiller collection, 2003( Referred to throughout as: saddle blankets; single size average ca. 24ʺ x 36ʺ; double size ca. 36ʺ x 48ʺ; prized for decorative as well as practical purposes)
found: Blevins, W. Dict. of the Am. West, 1993(Saddle blanket; a pad or blanket that protects the horse's back against the chafing of the saddle; also called a saddle mat)
found: Adams, R. Western words, 1968(Saddle blanket; a blanket placed upon a horse's back beneath the saddle)
found: Random House 2nd ed.(Saddle blanket: a saddle-shaped pad, as of felt or sheepskin, placed beneath the saddle to prevent it from irritating the horse's skin; not same as horse blanket)
notfound: OED