instrument Definition

a device used to produce music; also : a singing voice

a means whereby something is achieved, performed, or furthered

one used by another as a means or aid : dupe, tool

to address a legal instrument to

to score for musical performance : orchestrate

to equip with instruments especially for measuring and recording data

navigation of an airplane by instruments only

a landing made with limited visibility by means of instruments and by ground radio direction

a panel on which instruments are mounted; especially : dashboard

any of a group of wind instruments (such as a French horn, trombone, trumpet, or tuba) that is usually characterized by a long cylindrical or conical metal tube commonly curved two or more times and ending in a flared bell, that produces tones by the vibrations of the player's lips against a usually cup-shaped mouthpiece, and that usually has valves or a slide by which the player may produce all the tones within the instrument's range

a musical instrument (such as a drum, xylophone, or maraca) sounded by striking, shaking, or scraping

a musical instrument (such as a trumpet, clarinet, or organ) sounded by wind; especially : one sounded by the player's breath

an object without sharp edges or points that is used as a club

a device (such as a violin, piano, or flute) used to make music