Hippopotamus
Pronunciation : Hip`po*pot"a*mus, n.; pl. E. Hippopotamuses
Part of Speech : L.
Etymology : [L., from Gr.Equine.] (Zo?l.)
Definition : Defn: A large, amphibious, herbivorous mammal (Hippopotamus amphibius), common in the rivers of Africa. It is allied to the hogs, and has a very thick, naked skin, a thick and square head, a very large muzzle, small eyes and ears, thick and heavy body, and short legs. It is supposed to be the behemoth of the Bible. Called also zeekoe, and river horse. A smaller species (H. Liberiencis) inhabits Western Africa.
Hippopotami.
Source : Webster's Unabridged Dictionary, 1913