coo

1 of 2

verb

cooed; cooing; coos

intransitive verb

1
: to make the low soft cry of a dove or pigeon or a similar sound
The baby cooed quietly in her crib.
2
: to talk fondly, amorously, or appreciatively
The family cooed over the baby pictures.
coo noun

COO

2 of 2

abbreviation

chief operating officer

Examples of coo in a Sentence

Verb The baby cooed quietly in her crib. The baby was making a cooing sound. They all cooed over the baby pictures. “Oh, how sweet,” she cooed.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Verb
Indeed, over one lunch at the Bungalows, there’s a constant parade of greeters: As soon as the head of a top talent agency’s film department is done embracing her, a billionaire heiress is cooing over her. Gary Baum, The Hollywood Reporter, 9 Dec. 2024 They can be heard cooing back and forth to each other. Michael M. Dewitt, USA TODAY, 15 Nov. 2024 The amiable fire chief, who coos to a station dog named Vasia, is not alone in his pessimism. Howard Lafranchi, The Christian Science Monitor, 14 Nov. 2024 Amateurs now have a remarkable ability to recognize the birds that are cooing or chirping—which has generated more interest in birds and directed more citizen-science recordings to the Macaulay Library. Rivka Galchen, The New Yorker, 14 Oct. 2024 See all Example Sentences for coo 

Word History

Etymology

Verb

imitative

First Known Use

Verb

1577, in the meaning defined at sense 1

Time Traveler
The first known use of coo was in 1577

Dictionary Entries Near coo

Cite this Entry

“Coo.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/coo. Accessed 21 Dec. 2024.

Kids Definition

coo

verb
1
: to make the low soft cry of a dove or pigeon or a similar sound
2
: to talk fondly or lovingly
coo noun

More from Merriam-Webster on coo

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!