Search Result for "bird family":
Wordnet 3.0

NOUN (1)

1. a family of warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings; 



WordNet (r) 3.0 (2006):

bird family
    n 1: a family of warm-blooded egg-laying vertebrates
         characterized by feathers and forelimbs modified as wings