River horse

noun

Definitions

Noun
  1. 1
    Hippopotamus. dated, uncommon

    "The river-horse feeds upon the herbage of the Nile, and the behemoth is said to eat grass like an ox."

  2. 2
    massive thick-skinned herbivorous animal living in or around rivers of tropical Africa wordnet

Etymology

Calque of Ancient Greek ἱπποπόταμος (hippopótamos). Compare Middle English water hors (“hippopotamus”). By surface analysis, river + horse.

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