r

[[t]ɑ͟ː(r)[/t]]

R's, r's

1) N-VAR R is the eighteenth letter of the English alphabet.

→ See also three Rs

2) N-TITLE: n N R is a written abbreviation meaning king or queen. R is short for the Latin words `rex' and `regina'.

...Elizabeth R.

3) R is used as an abbreviation for words beginning with r. For example, it is used on maps as a written abbreviation for `river'.

4) In the United States, some cinema films are marked R to show that children under 17 years old are only allowed to see them if an adult is with them.