cc (Adjective) — Being ten more than one hundred ninety.
cc (Noun) — A metric unit of volume equal to one thousandth of a litre.
cc (Noun) — Used in an e-mail or other communication to send copies to people other than the main recipient.
cc (Verb) — Send a copy to (someone) as well as the main recipient. ex. "I am not subscribed to the list, please send cc's to me"