| 1. | any fish of the genus Hippocampus, of the pipefish family, having a prehensile tail, an elongated snout, and a head bent at right angles to the body. |
| 2. | a fabled marine animal with the foreparts of a horse and the hind parts of a fish. |
| 3. | a walrus. |
| seahorse | |
noun | |
| 1. | either of two large northern marine mammals having ivory tusks and tough hide over thick blubber [syn: walrus] |
| 2. | small fish with horse-like heads bent sharply downward and curled tails; swim in upright position |