Horsy \Hors"y\, a. Pertaining to, or suggestive of, a horse, or of horse racing; as, horsy manners; garments of fantastically horsy fashions. [Colloq.] [1913 Webster]
23 Moby Thesaurus words for "horsy": asinine, bovid, bovine, caprid, caprine, cowish, cowlike, deerlike, equestrian, equine, goatish, goatlike, hircine, hoggish, hoofed, mulish, ovine, piggish, ruminant, sheepish, sheeplike, swinish, ungulate