— privy councilor .
1. a board or select body of personal advisers, as of a sovereign.
2. ( caps. ) (in Great Britain) a body of persons who advise the sovereign in matters of state, the majority of members being selected by the prime minister.
3. ( sometimes caps. ) any similar body, as one appointed to assist the governor of a British dominion.
[ 1250-1300; ME prive counseil privy counsel ]