OVERTURE

I. noun see: aperture Date: 15th century 1. an initiative toward agreement or action ; proposal , something introductory ; prelude , 2. the orchestral introduction to a musical dramatic work, an orchestral concert piece written especially as a single movement in sonata form, II. transitive verb (-tured; -turing) Date: circa 1650 to put forward as an ~, to make or present an ~ to