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c/o
4 ENTRIES FOUND:
CO
(abbreviation)
c/o
(abbreviation)
co.
(abbreviation)
co-
(prefix)
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c/o
abbreviation
c/o
abbreviation
Learner's definition of C/O
care of
◊ This abbreviation is used in addresses when you are sending a letter or package to a person by using someone else's address or the address of a company.
The letter was addressed to “John Smith c/o Merriam-Webster, Inc.”
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