non-rhotic
Of an accent, most often one of English: not pronouncing the written letter "r" after…Of an accent, most often one of English: not pronouncing the written letter "r" after a vowel, as in Received Pronunciation, most other accents of England, the Boston accent, traditional NYC English, many accents of southern Louisiana, Australian English, etc.
/nɒnˈɹəʊtɪk/
Meaning
1 senses(not comparable)Of an accent, most often one of English: not pronouncing the written letter "r" after a vowel, as in Received Pronunciation, most other accents of England, the Boston accent, traditional NYC English, many accents of southern Louisiana, Australian English, etc.
In a non-rhotic accent, the word 'sort' can be pronounced like the word 'sought'.