<p><strong>Noun:</strong></p><ul><li>(plural) demos: demonstration (defs 4, 6).</li><li>demonstrator (def 5).</li><li>a recording of a new song or of one performed by an unknown singer or singing group, distributed to disc jockeys, recording companies, etc., to demonstrate the merits of the song or performer.</li><li>demolition (def 1): He does flooring and demo for a living.</li></ul><p><strong>Verb:</strong></p><ul><li>(used with object) demoed, demoing: to try out or exhibit the use of (a product, process, or the like): You can demo the game without downloading or buying it.</li><li>to record (a song) to demonstrate the merits of the song or performer.</li></ul><p><strong>End of Response</strong></p>