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Noun: hippopotamus (hippopotami,hippopotamuses)  ,hi-pu'pó-tu-mus
  1. Massive thick-skinned herbivorous animal living in or around rivers of tropical Africa
    - hippo, river horse, Hippopotamus amphibius

Derived forms: hippopotami, hippopotamuses

Type of: artiodactyl, artiodactyl mammal, even-toed ungulate

Part of: genus Hippopotamus

Encyclopedia: Hippopotamus, Giraffe, and Monkey