rhotic

adjective

1. of or relating to a dialect of English in which the r is pronounced at the end of a syllable or before a consonant: Midwestern American English is rhotic, while Southern British English is not.
2. of, relating to, or being an r-like sound.

noun

3. a rhotic sound.

adjective

1. phonetics denoting or speaking a dialect of English in which postvocalic r s are pronounced