A hippopotamus is a very large African animal with short legs and thick, hairless skin. Hippopotamuses live in and near rivers.
hippopotamus in British English
(ˌhɪpəˈpɒtəməs)
nounWord forms: plural-muses or -mi (-ˌmaɪ)
1.
a very large massive gregarious artiodactyl mammal, Hippopotamus amphibius, living in or around the rivers of tropical Africa: family Hippopotamidae. It has short legs and a thick skin sparsely covered with hair
2. pigmy hippopotamus
Word origin
C16: from Latin, from Greek hippopotamos river horse, from hippos horse + potamos river
any of a family (Hippopotamyidae) of large, plant-eating, artiodactylous mammalswith a heavy, thick-skinned, almost hairless body and short legs: they live chiefly in or near rivers in Africa
Word origin
L < Gr hippopotamos, lit., river horse < hippos (see hippo-) + potamos, river, orig., that which goes down < IE base *pet-, to fall, fly > feather, Gr pteryx, wing