C/O definition by Slang.net - The Slang Dictionary
This page explains what the acronym "C/O" means. The definition, example, and related terms listed above have been manually compiled and written by the Slang.net team.
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C/O is shorthand for directing mail to a specific person via another party. Often seen on shipping labels, C/O comes in handy when sending packages or mail to places where the recipient doesn't reside full-time, like a friend's house or a business location. This method ensures that the intended person gets their delivery, even if it's not addressed directly to them.
In digital communication, C/O also makes occasional appearances in emails. When a message is sent to a group, C/O can clarify who should take particular notice, acting almost like a personalized message flag. Its practical use is rooted in efficiency and clarity, whether in physical mail or the digital inbox. This versatile abbreviation has been around for decades, proof that sometimes, old-school methods remain significant in modern communication.