From Longman Dictionary of Contemporary Englishc/oc/o ●○○ TCMthe written abbreviation of care of, used especially in addresses when you are sending a letter or package to someone who is living in someone else’s house John Hammond, c/o Mrs Pearce, The Old Rectory, ReephamFrom Longman Business Dictionaryc/oc/o written abbreviation for CARE OF, used when you are sending something to someone who is living in someone else’s house or receiving mail at their place of workJohn Hammond, c/o Dowling Music College, Bethesda, Maryland, Virginia
