ornithology
NounUS[awr-nih-thol-uh-jee]/ˌɔrnɪˈθɑlədʒi/5 syllables
Open English WordNet
Noun (1)
- the branch of zoology that studies birdsType of zoology, zoological science
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Webster's Dictionary (1913)
Or′ni·thol′o·gy noun
Origin: Ornitho- + -logy: cf. F. ornithologie.
1. That branch of Zoology which treats of the natural history of birds and their classification.
2. A treatise or book on this science.
Webster’s Revised Unabridged Dictionary (1913), from GCIDE 0.54