Artificial intelligent assistant

rumen

rumen
  (ˈruːmɛn)
  [a. L. rūmen the throat, gullet.]
  The first stomach of a ruminant animal.

1728 Chambers Cycl. s.v., In the Rumen, or first Ventricle of Camels, are found divers Sacculi, which contain a considerable Quantity of Water. 1834 Youatt Cattle 427 (L.U.K.), There are two openings into the rumen. 1846 J. Baxter Libr. Pract. Agric. (ed. 4) II. 143 All seems to go into the rumen, and has for awhile no power on the cuticular coat of that stomach. 1874 T. Hardy Far from Madding Crowd xxi. I. 236 He punctured the skin and rumen with the lance.

Oxford English Dictionary

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