overture

An instrumental composition intended especially as an introduction to an extended work, such as an opera or oratorio.

A similar orchestral work intended for independent concert performance.

An introductory section or part, as of a poem; a prelude.

An act, offer, or proposal that indicates readiness to undertake a course of action or open a relationship.

To present as an introduction or proposal.

To present or make an offer or proposal to.

Eccles., to submit an overture to. See overture, n., 6.

An opening; an aperture; a hole.

An open place.