- the branch of ornithology that studies birds' eggs.
Origin of oology
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for oology
Ol′ogist, one versed in oology; Om′eter, an apparatus for measuring eggs.
- the branch of ornithology concerned with the study of birds' eggs
Word Origin and History for oology
Online Etymology Dictionary, © 2010 Douglas Harper