1. hippo(n = noun.location) hippo regius - an ancient Numidian town in northwestern Africa adjoining present-day Annaba in northeastern Algeria;
is a kind of town
is a part of algeria, algerie, democratic and popular republic of algeria
2. hippo(n = noun.animal) hippopotamus, hippopotamus amphibius, river horse - massive thick-skinned herbivorous animal living in or around rivers of tropical Africa;
is a kind of artiodactyl, artiodactyl mammal, even-toed ungulate
is a member of genus hippopotamus
Same as hippopotamus. [WordNet 1.5]
hippo, n. (pl. -os) colloq. a hippopotamus.
Etymology:
abbr.