(music) Any musical instrument that produces sound when air flows through it; a woodwind instrument or brass instrument.

A device, object, contrivance or machine used to produce musical notes or sounds.

(grammar) A noun case used to express means or agency—and is generally indicated in English by by or with with the objective. Languages that use the instrumental case include Armenian, Serbo-Croatian, Czech, Dyirbal, Georgian, Latvian, Slovene, Polish, Quechua, Russian, Assamese, Turkish and Sanskrit. Extinct languages that used the instrumental case include Old English, Old Saxon and Old High German.

A remixed song which lacks the vocal tracks.

A flat, (usually) vertical surface onto which controls, instruments, and displays are mounted.

A coin or other item of currency.

Any musical instrument whose tone is produced by vibration of the lips as the player blows into a mouthpiece (or tubular resonator).

(music) An instrument in which the sound is produced by striking, scraping or shaking an object.

plural of musical instrument

(optics) The width of a fringe formed in monochromatic light.