0 a very large animal with short legs and thick, dark grey skin that lives near water in Africa --
1 a large, dark gray animal of Africa that lives in or near rivers and that has a big head, short legs, and thick skin --
The lake supports a large population of hippopotamus and crocodiles.
It has yielded bones and teeth of a mammoth and woolly rhinoceros as well as remains of animals which lived in the warm interval, such as hippopotamus.
Once they had voted for the elephant, the tiger, the lion or the hippopotamus, that would be it: that would be the end of majority rule.
It appears that a hippopotamus in the herbaceous border is quite acceptable while an ostrich in the orangery is not.
Today he seems to wallow in gloom and doom, rather like a happy hippopotamus.
Students do not have the appetites of hippopotami; but they do need help.
We must all know a photograph when we see it, just as we know a hippopotamus when we see it.
The hippopotamus simply kept his mouth open waiting to be fed.
