- The definition of an instrument is a tool for doing work, particularly for scientific or artistic purposes.
- An example of an instrument is a drum.
- An example of an instrument is a thermometer.
This instrument is used to check blood sugar levels.
- a thing by means of which something is done; means
- a person used by another to bring something about
- a tool or implement, esp. one used for delicate work or for scientific or artistic purposes
- any of various devices for indicating or measuring conditions, performance, position, direction, etc. or sometimes, for controlling operations, esp. in aircraft or rocket flight
- any of various devices producing musical sound, as a piano, drum, violin, oboe, etc.
- Law a formal document, as a deed, contract, etc.
- Finance a written order or promise to pay a sum of money: a negotiable instrument
Origin of instrumentOld French ; from Classical Latin instrumentum, a tool or tools, stock, furniture, dress ; from instruere: see instruct
- to provide with instruments
- Music to arrange (a composition) for instruments; orchestrate
- A tool or implement used to do or facilitate work, especially a small precision tool used by a professional: sterilized the scalpel and other surgical instruments.
- A device for recording, measuring, or controlling, especially such a device functioning as part of a control system.
- Music A device for playing or producing music: a keyboard instrument.
- A means by which something is done; an agency: “The gods are just, and of our pleasant vices / Make instruments to plague us” (Shakespeare).
- One used by another to accomplish a purpose; a dupe.
- A legal document, especially one that represents a right of payment or conveys an interest, such as a check, promissory note, deed, or will.
transitive verbin·stru·ment·ed, in·stru·ment·ing, in·stru·ments
- To provide or equip with instruments.
- Music To compose or arrange for performance.
Origin of instrumentMiddle English, from Old French, from Latin īnstrūmentum, tool, implement, from īnstruere, to prepare; see instruct.
- A device used to produce music.
- The violinist was a master of her instrument.
- A means or agency for achieving an effect.
- A measuring or displaying device.
- The instrument detected an increase in radioactivity.
- A tool, implement used for manipulation or measurement.
- The dentist set down his tray of instruments. The scientist recorded the temperature with a thermometer but wished he had a more accurate instrument."
- (law) A legal document, such as a contract, deed, trust, mortgage, power, indenture, or will.
- A bond indenture is the instrument that gives a bond its value.
- Negotiable instruments are the foundation of the debt markets.
- (figuratively) A person used as a mere tool for achieving a goal.
(third-person singular simple present instruments, present participle instrumenting, simple past and past participle instrumented)
- To apply measuring devices.
- To devise, conceive, cook up, plan.
- To perform upon an instrument; to prepare for an instrument.
- a sonata instrumented for orchestra
From Old French instrument, from Latin īnstrūmentum (“an implement, tool”). suffix -mentum.
instrument - Legal Definition