| Noun | 1. | family Rhinocerotidae - rhinoceroses mammal family - a family of mammals order Perissodactyla, Perissodactyla - nonruminant ungulates: horses; tapirs; rhinoceros; extinct forms rhino, rhinoceros - massive powerful herbivorous odd-toed ungulate of southeast Asia and Africa having very thick skin and one or two horns on the snout genus Rhinoceros - type genus of the Rhinocerotidae Ceratotherium, genus Ceratotherium - African genus Diceros, genus Diceros - most common species in Africa |