1. seahorse

noun. either of two large northern marine mammals having ivory tusks and tough hide over thick blubber.


  • Pacific walrus
  • Odobenus divergens
  • sea horse
  • genus Odobenus
  • Atlantic walrus
  • pinniped
  • walrus
  • Odobenus
  • pinniped mammal
  • pinnatiped

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2. seahorse

noun. small fish with horse-like heads bent sharply downward and curled tails; swim in upright position.


  • sea horse
  • genus Hippocampus
  • Hippocampus
  • needlefish

Sentences with seahorse

1. Noun, singular or mass
Test the water in your tank frequently to make certain it is stable and safe for your seahorse.

2. Adjective
Because of the uniqueness of seahorse mating and reproduction behavior, researchers have tried to understand the advantage of the reversed sex roles for the species.