Ruminantia - cattle; bison; sheep; goats; antelopes; deer; chevrotains; giraffes; camelsArtiodactyla, order Artiodactyla - an order of hooved mammals of the subclass Eutheria (including pigs and peccaries and hippopotami and members of the suborder Ruminantia) having an even number of functional toes ruminant - any of various cud-chewing hoofed mammals having a stomach divided into four (occasionally three) compartments |