Search Result for "ornithology": 
Wordnet 3.0

NOUN (1)

1. the branch of zoology that studies birds;


The Collaborative International Dictionary of English v.0.48:

Ornithology \Or`ni*thol"o*gy\, n. [Ornitho- + -logy: cf. F. ornithologie.] 1. That branch of Zoology which treats of the natural history of birds and their classification. [1913 Webster] 2. A treatise or book on this science. [1913 Webster]
WordNet (r) 3.0 (2006):

ornithology n 1: the branch of zoology that studies birds
Moby Thesaurus II by Grady Ward, 1.0:

25 Moby Thesaurus words for "ornithology": anatomy, animal physiology, anthropology, biology, comparative anatomy, conchology, ecology, entomology, ethology, helminthology, herpetology, ichthyology, malacology, mammalogy, protozoology, taxidermy, taxonomy, zoogeography, zoography, zoology, zoonomy, zoopathology, zoophysics, zootaxy, zootomy