Noun | 1. | ![]() eutherian, eutherian mammal, placental, placental mammal - mammals having a placenta; all mammals except monotremes and marsupials hoof - the foot of an ungulate mammal dinocerate - an extinct ungulate odd-toed ungulate, perissodactyl, perissodactyl mammal - placental mammals having hooves with an odd number of toes on each foot artiodactyl, artiodactyl mammal, even-toed ungulate - placental mammal having hooves with an even number of functional toes on each foot hock-joint, hock - tarsal joint of the hind leg of hoofed mammals; corresponds to the human ankle |