Translingual Proper noun Equus ferus m A taxonomic species within the family Equidae – wild horse, ancestral to the domesticated horse. Synonyms Equus caballus Hypernyms (species): Perissodactyla - order; Equoidea - superfamily; Equidae - family; Equinae - subfamily; Equini - tribe; Equus - genus Hyponyms (species): †Equus ferus ferus (tarpan, Eurasian wild horse) (recently extinct), Equus ferus przewalskii, Equus ferus caballus (domesticated horse) - subspecies References Equus ferus on Wikipedia.Wikipedia Equus ferus on Wikispecies.Wikispecies Equus ferus on Wikimedia Commons.Wikimedia Commons Wikiwand - on Seamless Wikipedia browsing. On steroids.