disclosure; discovery; revelation.
2. overture ·- an opening or aperture; a recess; a recess; a chamber.
3. overture ·vt to make an overture to; as, to overture a religious body on some subject.
4. overture ·- a proposal; an offer; a proposition formally submitted for consideration, acceptance, or rejection.
5. overture ·- 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.