Definition of "rhotic" []

• Pronouncing the letter r wherever it appears, as in bar (/bɑːɹ/) and bard or barred (/bɑːɹd/); this trait is common in much of the United States, Canada, many parts of the north and west of England, Ireland, and Scotland. (adjective)
• Having the quality of the said letter. This includes the sounds of the IPA symbols /ɹ/, /ɻ/, /ɚ/, /ɝ/, and some would say /r/, or r coloring. (adjective)

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• "But my source (Roca and Johnson) doesn’t mention a glide in rhotic accents."
• "Canadian English is 'rhotic', i.e. r is pronounced in such words as art, door, worker. ..."
• "Yet, I can hear a slight glide from the strong vowel to the schwa before the rhotic r is pronounced in these words in American English."