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hippopotamuses
Variant of hippopotamus
noun pl. hippopotamuses, hippopotami , hippopotamus
any of a family (Hippopotamyidae) of large, plant-eating, artiodactylous mammals with a heavy, thick-skinned, almost hairless body and short legs: they live chiefly in or near rivers in Africa
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.