- c
- c [ si ] (plural c's) or C (plural C's) noun count or uncount1. ) the third letter of the English alphabet. C is a consonant.2. ) C the first note in the musical SCALE of C major3. ) C a grade that a teacher gives to a student's work to show that it is average:I got a C on my French exam.4. ) C the ROMAN NUMERAL for 100=> C IN C, C OF E, C-NOTE, C-SECTION
Usage of the words and phrases in modern English. 2013.