Seahorse

1 definition found

From WordNet (r) 2.0 [wn]:

  seahorse
       n 1: either of two large northern marine mammals having ivory
            tusks and tough hide over thick blubber [syn: {walrus},
            {sea horse}]
       2: small fish with horselike heads bent sharply downward and
          curled tails; swim in upright position [syn: {sea horse}]