Definition of privy

• a. - Of or pertaining to some person exclusively; assigned to private uses; not public; private; as, the privy purse.
• a. - Secret; clandestine.
• a. - Appropriated to retirement; private; not open to the public.
• a. - Admitted to knowledge of a secret transaction; secretly cognizant; privately knowing.
• n. - A partaker; a person having an interest in any action or thing; one who has an interest in an estate created by another; a person having an interest derived from a contract or conveyance to which he is not himself a party. The term, in its proper sense, is distinguished from party.
• n. - A necessary house or place; a backhouse.