The story
Back-formation from rhotacism, coined in 1968 by John C. Wells.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: That allows the phoneme /ɹ/ to follow a vowel, as in bar (/bɑːɹ/) and bard or barred (/bɑːɹd/); (of an English speaker) who speaks with such an accent. Full definition →
Back-formation from rhotacism, coined in 1968 by John C. Wells.
Etymology from Wiktionary, CC BY-SA 4.0.