noun, abbreviation
noun (also r) [C,U] (plural R's, r's ) the 18th letter of the English alphabet:
'Rose' begins with (an) R / 'R'.
IDIOMS see THREE
abbreviation
1 (BrE) Queen; King (from Latin 'Regina; Rex'):
Elizabeth R.
2 (R.) (especially on maps) River:
R. Trent
3 (also R. especially in AmE) (in politics in the US) REPUBLICAN
4 (BrE) (in abbreviations) Royal:
the RAC (= Royal Automobile Club)
5 (AmE) a label for a film/movie that is not suitable for people under the age of 17 to see without an adult present (abbreviation for 'restricted')
seealsoR<B, R.>D.
