[1] : The Collaborative International Dictionary of English v.0.48

hippopotamus \hip`popot"amus\, n.; pl. e. hippopotamuses, l.
   hippopotami. l., from gr.?; "i`ppos horse + ? river. cf.
   equine. zool.
   a large, amphibious, herbivorous mammal hippopotamus
   amphibius, common in the rivers of tropical 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 hippopotamus liberiencis
   inhabits western africa.
   1913 webster
see also:
hippopotamuses hippopotami equine hippopotamus amphibius zeekoe river horse 
hippopotamus liberiencis 

[2] : WordNet (r) 2.0

hippopotamus
     n : massive thick-skinned herbivorous animal living in or around
         rivers of tropical africa syn: hippo, river horse, hippopotamus
         amphibius
     also: hippopotami pl
see also:
hippo river horse hippopotamus amphibius hippopotami 

[3] : WordNet (r) 2.0

hippopotami
     see hippopotamus
see also:
hippopotamus 

Hippopotami >> H Words
Hippopotami, definition of term: Hippopotami
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