overture

  1. An opening or aperture; a recess; a recess; a chamber.
  2. Disclosure; discovery; revelation.
  3. A proposal; an offer; a proposition formally submitted for consideration, acceptance, or rejection.
  4. 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.

v. t.

  1. To make an overture to; as, to overture a religious body on some subject.