Definitions for "Received Pronunciation"
pronunciation standards of British English that are associated with prestige and the highest levels of social status. It is also known as “Queen’s English” or “BBC English.” Until the 1970s, RP was the required pronunciation for all BBC announcers and newscasters. It remains the accent of Standard English in Britain.
The pronunciation of that variety of British English widely considered to be the least regional, being originally that used by educated speakers in Southern England.
The 'standard' pronunciation of British English.