- to utter or imitate the soft, murmuring sound characteristic of doves.
- to murmur or talk fondly or amorously.
- to utter by cooing.
- a cooing sound.
Origin of coo1
- (used to express surprise or amazement.)
Origin of coo2
- Italian name of Kos.
- chief operating officer.
Examples from the Web for coo
We coo over how cute our cat is and minimize the drudgery of cleaning the litter box.Why Didn’t Camille Dump Bill Cosby?
December 17, 2014
They told the public not to believe that the COO meant what he said even though, yes, he said it.
The next day, Chrysler panicked and tried to walk the story back, though they never challenged the accuracy of the COO quote.
Modern feminists are finally having their Arab Spring, thanks to Facebook COO Sheryl Sandberg.Five Girl-Power Books Exactly Like Sheryl Sandberg’s ‘Lean In’
March 29, 2013
They vary in pitch and intelligibility as they reach their excited climaxes—or when she interrupts them to coo at Max.Meet Mariann From Brooklyn, Howard Stern’s Biggest Fan
February 28, 2013
When she is called for—says the story—the puppets in the four corners begin to coo.Russian Fairy Tales
W. R. S. Ralston
Presently there came the “coo” of a wood-pigeon from in front.Danger! and Other Stories
Arthur Conan Doyle
Something between the 'gobble, gobble' of a turkey and the coo of the ring-dove.Doctor Luttrell's First Patient
Rosa Nouchette Carey
He did not “coo” as usual, but stared unsmilingly at the ceiling.The Cheerful Smugglers
Ellis Parker Butler
I know all the birds say when they twitter and chirp, caw and coo, gobble and cluck.Europa's Fairy Book
- (intr) (of doves, pigeons, etc) to make a characteristic soft throaty call
- (tr) to speak in a soft murmur
- (intr) to murmur lovingly (esp in the phrase bill and coo)
- the sound of cooing
- British slang an exclamation of surprise, awe, etc
- cost of ownership
- chief operating officer
Word Origin and History for coo
1660s, echoic of doves; the phrase to bill and coo is first recorded 1816. Related: Cooing. The noun is recorded from 1729.