A.O.U.
abbreviation
American Ornithologists' Union.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use A.O.U. in a sentence
The correct position of the tongue, preparatory to singing, is gained by saying the vowel sound aou, as if about to yawn.
How to Sing | Lilli LehmannAfter passing all these places, they came to a country named Ma-t'aou-lo.
Record of Buddhistic Kingdoms | Fa-HsienThose little cats in the AOU have done the meanest thing you can think of.
Cloudy Jewel | Grace Livingston Hill
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