There are 2 definitions of cc in English:

cc1

Syllabification: cc
(also c.c.)

abbreviation

1Carbon copy (used as an indication that a duplicate has been or should be sent to another person).
1.1Cubic centimeter(s).

Definition of cc in:

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Word of the day humoresque
Pronunciation: ˌ(h)yo͞oməˈresk
noun
a short, lively piece of music

There are 2 definitions of cc in English:

CC2

Syllabification: CC

abbreviation

1Closed-captioned.
1.1Cape Cod.

Definition of cc in: