Definition of overture

• - An opening or aperture; a recess; a recess; a chamber.
• - Disclosure; discovery; revelation.
• - A proposal; an offer; a proposition formally submitted for consideration, acceptance, or rejection.
• - 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. - To make an overture to; as, to overture a religious body on some subject.