coo
verb
cooed;
cooing;
coos
Definition of coo
(Entry 1 of 2)
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
abbreviationDefinition of COO (Entry 2 of 2)
chief operating officer
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