noun A divine mystery; something known only to God, or revealed only in holy scriptures. .mw-parser-output .defdate{font-size:smaller}
noun Privacy, secrecy.
noun A private matter, a secret.
noun The genitals.
noun A relationship between parties seen as being a result of their mutual interest or participation in a given transaction, e.g. contract, estate, etc.
noun The fact of being privy to something; knowledge, compliance.