Search Result for "tetrapod": 
Wordnet 3.0

NOUN (1)

1. a vertebrate animal having four feet or legs or leglike appendages; 



The Collaborative International Dictionary of English v.0.48:

Tetrapod \Tet"ra*pod\, n. [Gr. ? fourfooted; te`tra- (see
   Tetra-) + ?, ?, foot.] (Zool.)
   An insect characterized by having but four perfect legs, as
   certain of the butterflies.
   [1913 Webster]


WordNet (r) 3.0 (2006):

tetrapod
    n 1: a vertebrate animal having four feet or legs or leglike
         appendages