Any hoofed, herbivorous, quadruped, placental mammal in three or four orders: Artiodactyla, the even-toed ungulates (including pigs, camels, deer, and bovines); Perissodactyla, the odd-toed ungulates (including horses, tapirs, and rhinoceroses); Proboscidea (elephants); and, by some authorities, Hyracoidea (see hyrax). There are ten orders of extinct ungulates. The hoof is dermal tissue, comparable to the human fingernail, that extends over the end of a broadened terminal digit. Seealso ruminant.

Learn more about ungulate with a free trial on Britannica.com.