Definitions
1.NounA divine mystery; something known only to God, or revealed only in holy scriptures. .mw-parser-output .defdate{font-size:smaller}
2.NounPrivacy, secrecy.
3.NounA private matter, a secret.
4.NounThe genitals.
5.NounA relationship between parties seen as being a result of their mutual interest or participation in a given transaction, e.g. contract, estate, etc.
6.NounThe fact of being privy to something; knowledge, compliance.