Definition of: c, C

(sē) noun plural c's or cs, C's Cs, cees (sēz)
1. The third letter of the English alphabet: from Phoenician gimel, through Hebrew gimel, Greek gamma, Roman C or G.
2. The sound of the letter c. See ALPHABET.
—symbol.
1. In Roman notation, the numeral 100. See under NUMERAL.
2. Chem. Carbon (symbol C).
3. Music a The tonic note of the natural musical scale, do. b The pitch of this tone or the written note representing it. c The scale built upon C. d Common or 4–4 time.