Ruminant

a. [Lat. ruminans, p. pr. of ruminare, to chew over again, to chew the cud, from rumen, q. v.; Fr. ruminant, It. ruminante.] Chewing the cud; characterized by chewing again what has been swallowed; as, ruminant animals.

n. An animal that chews the cud, as the camel, deer, goat, and bovine kind.