/roh"tik/ , Phonet.
adj.
1. of or pertaining 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, pertaining to, or being an r- like sound.
n.
3. a rhotic sound.
[ rhot- (see RHOTACISM) + -IC ]