Cid cid • cidade de praia · · · Info · Definitions · Characters · · Cid · · Text Latin · · Script 3 · · Length 1 · · Syllables Definitions · · · (noun) the United States Army's principal law enforcement agency responsible for the conduct of criminal investigations for all levels of the Army anywhere in the world. Synonyms: Criminal Investigation Command, CID. · · Noun Definition 1 Characters · · C latin capital letter c U+0043 d latin small letter d U+0064 i latin small letter i U+0069