Wordnet 3.0
NOUN (1)
1.
the approved pronunciation of British English;
originally based on the King's English as spoken at public schools and at Oxford and Cambridge Universities (and widely accepted elsewhere in Britain);
until recently it was the pronunciation of English used in British broadcasting;
WordNet (r) 3.0 (2006):
Received Pronunciation
n 1: the approved pronunciation of British English; originally
based on the King's English as spoken at public schools and
at Oxford and Cambridge Universities (and widely accepted
elsewhere in Britain); until recently it was the
pronunciation of English used in British broadcasting