Also cac·o·mix·le[kak-uh-mis-uhl, -mik-suhl]. /ˈkæk əˌmɪs əl, -ˌmɪk səl/. Also called bassarisk, ringtail, coon cat. a carnivorous animal, Bassariscus astutus, of Mexico and the southwestern U.S., related to the raccoon but smaller, with a sharper snout and longer tail.