/ siː; NAmE / noun , abbreviation , symbol
■ noun (also c ) [ C , U ] ( pl. Cs , C's , c's / siːz; NAmE /)
1.
the third letter of the English alphabet :
'Cat' begins with (a) C / 'C'.
2.
C ( music ) the first note in the scale of C major
—see also middle C
3.
C the third highest mark / grade that a student can get for a piece of work :
She got (a) C / 'C' in / for Physics.
■ abbreviation
1.
C. Cape :
C. Horn (= for example, on a map)
2.
Celsius , Centigrade :
Water freezes at 0° C.
3.
(also © ) ( NAmE also C. ) copyright :
© Oxford University Press 2005
—see also C. of E. , C. & W.
■ symbol
(also c ) the number 100 in Roman numerals