rumen noun. ['ru:mɛn] E18.
[Latin rumen, rumin- throat, gullet.]
The first and largest stomach of a ruminant, in which food, esp. cellulose, is partly digested by bacteria.

■ rume'nitis noun inflammation of an animal's rumen E20.

■ rume'notomy noun (an instance of) surgical incision into an animal's rumen L19.

[TahlilGaran] English Dictionary ▲