1. Small fish with horse-like heads bent sharply downward and curled tails; swim in upright position
   "Children were fascinated by the seahorses in the touch tank";
   - sea horse
    
2. [archaic] Either of two large northern marine mammals having ivory tusks and tough hide over thick blubber
   "seahorses use their tusks to haul themselves out onto ice floes";
   - walrus, sea horse [archaic]

Derived forms: sea horses, seahorses

Type of: needlefish, pinniped, pinniped mammal, pipefish

Part of: genus Hippocampus, genus Odobenus, Hippocampus, Odobenus

Encyclopedia: Seahorse