clef cleeky • cleft · · · Info · Definitions · Characters · · clef · · Text Latin · · Script 4 · · Length 1 · · Syllables Definitions · · · (noun) a musical notation written on a staff indicating the pitch of the notes following it. · · Noun Definition 1 Characters · · c latin small letter c U+0063 e latin small letter e U+0065 f latin small letter f U+0066 l latin small letter l U+006C