placental mammal having hooves with an even number of functional toes on each foot
Any ungulate mammal with an even number of toes and belonging to the Artiodactyla, including pigs, sheep, deer, cattle, and most grazing animals. In contrast, horses have an odd number of toes and as such are not Artiodactyla, but Perissodactyla.
of or relating to or belonging to mammals of the order Artiodactyla