What does "overture" mean?

Overture: Disclosure; discovery; revelation. [Obs.] It was he That made the overture of thy treasons to us. Shak.

Additional senses

  1. 2.A proposal; an offer; a proposition formally submitted for consideration, acceptance, or rejection. "The great overture of the gospel." Barrow.
  2. 3.(Mus.) A composition, for a full orchestra, designed as an introduction to an oratorio, opera, or ballet, or as an independent piece; -- called in the latter case a concert overture.
  3. 4.To make an overture to; as, to overture a religious body on some subject.

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