1.AdjectiveThat allows the phoneme /ɹ/ even when not followed by a vowel, as in bar (/bɑːɹ/) and bard or barred (/bɑːɹd/); who speaks with such an accent."Rhotic speech is common in Ireland, Scotland, much of the United States, Canada, West Country England, and many parts of the north and west of England."
2.AdjectiveHaving a sound quality associated with the letter R; having the sound of any of certain IPA symbols, including /ɹ/, /ɻ/, /ɚ/, /ɝ/ and /r/."In the IPA, a rhotic vowel (aka R-coloured vowel, retroflex vowel, vocalic r or rhotacised vowel) is indicated by the affixing of a hook diacritic ( ˞ ) to the right of the regular symbol for the vowel. The rhotic consonants are /r/, /ɾ/, /ɹ/, /ɻ/, /ʀ/, /ʁ/, /ɽ/ and /ɺ/."