1. As a numeral, stands for 100, CC for 200,&c.

2. In music, when placed after the clef, is the mark of common time; and when a bar is perpendicularly drawn through it, alla-breve time, or a quicker movement, is indicated. C is also the first note of the diatonic scale, answering to the do of the Italians, and the ut of the French.

3. Is the third letter and second consonant of the English alphabet. Before a, o, u, I, and r, it has a hard or close sound, like k; and before e, i, and y, it has a soft or sibilant sound, precisely like s. When combined with the letter h, it has three different sounds: the first is equivalent to tsh, as in chair, church; the second is equivalent to k, as in character, chemistry; and the third, occurring only in a few words, derived from the French; also in several words when preceded by n, flinch, bench, is equivalent to sh, as in chaise, chemise.

4. As an abbreviation, stands for Christ, as A.C. for ante Christum; also for companion, as C.B., Companion of the Bath. On medals, C stands for many names of persons, as caesar, Caius.Cassius, Carolus, &c.; and also of offices, as Censor, Consul.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• ch,
• cp,
• fc,
• cn,
• ck,
• lc,
• qc,
• cw,
• chx,
• yc,
• cf,
• cz,
• hc,
• c,
• uc,
• cy,
• bc,
• ggc,
• oc,
• cq

• K,
• Cha,
• co,
• Q,
• caw,
• co.,
• X,
• Chu,
• coy,
• cay,
• cm,
• coo,
• G,
• cue,
• cl,
• CAO,
• ca,
• Che,
• cow,
• ct,
• co-,
• cr,
• V,
• Cho,
• c's,
• J,
• cu,
• Cai,
• chi,
• cu.,
• Coe,
• cd,
• cia,
• ceo,
• ce,
• cio,
• CO2,
• ci.

The adjective form of the word "C" is "C-like" or "Cesque".