Definition of water horse in English:

water horse

noun

  • 1The hippopotamus, Hippopotamus amphibius. Now rare.

  • 2Newfoundland. A pile or stack of split and salted whole cod, rinsed and arranged in layers to drain before drying. Also occasionally as mass noun. Sometimes attributive, especially as "waterhorse fish".

  • 3Mythology. In Scotland and northern England: a spirit, usually taking the form of a horse, said to haunt lakes and other bodies of water.

Origin

Late Middle English; earliest use found in John Trevisa (c1342–?1402), translator. From water + horse.

Pronunciation

water horse

/ˈwɔːtə ˌhɔːs/