- (n.) A contrivance or implement, by which musical sounds are produced; as, a musical instrument.
- (v.t.) To perform upon an instrument; to prepare for an instrument; as, a sonata instrumented for orchestra.
- (n.) That by means of which any work is performed or result is effected; a tool; a utensil; an implement; as, the instruments of a mechanic; astronomical instruments.
- (n.) A writing, as the means of giving formal expression to some act; a writing expressive of some act, contract, process, as a deed, contract, writ, etc.
- (n.) One who or that which, is made a means or is caused to serve a purpose; a medium, means or agent.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). Instrument. Retrieved September 22, 2026, from http://smartdefine.org/instrument/definitions/2022341 |
| Chicago | Webster's. 2011. "Instrument" http://smartdefine.org/instrument/definitions/2022341 (accessed September 22, 2026). |
| Harvard | Webster's 2011, Instrument, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/instrument/definitions/2022341>. |
| MLA | Webster's. "Instrument" 27 May 2011. Web. 22 September 2026. <http://smartdefine.org/instrument/definitions/2022341> |