Real Dictionary

Received Pronunciation
uncountable noun: Received Pronunciation is a way of pronouncing British English that is often used as a standard in the teaching of English as a foreign language. The abbreviation RP is also used. The accent represented by the pronunciations in this dictionary is Received

Received Pronunciation in American English
the pronunciation, commonly used in Brit. broadcasting, of Received Standard
noun: the pronunciation of British English considered to have the widest geographical distribution and the fewest regional peculiarities, originally the pronunciation of educated speakers in southern England and traditionally that used in the public schools and

Received Pronunciation in British English
noun: the accent of standard Southern British English