instrument

US /ˈɪn.strə.mənt/
UK /ˈɪn.strə.mənt/
"instrument" picture
1.

a tool or implement, especially one used for delicate or scientific work

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The surgeon used a specialized instrument to perform the delicate operation.
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Scientists use various instruments to measure atmospheric pressure.
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toolimplementapparatusdeviceutensil
2.

a device for producing musical sounds

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She plays several musical instruments, including the piano and violin.
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The orchestra features a wide range of brass and string instruments.
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musical instrument
3.

a person or thing used to achieve a purpose

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He was merely an instrument in their grand scheme.
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Education is a powerful instrument for social change.
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meansagencymediumvehicletool
4.

a formal legal document

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The contract is a legally binding instrument.
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The will is an important legal instrument for estate planning.
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documentdeedchartercontractindenture
1.

to equip with instruments for scientific observation or investigation

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The spacecraft was carefully instrumented to collect data from deep space.
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The lab was fully instrumented for advanced chemical analysis.
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equipfurnishfit outinstall instruments in
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instrumentalstatutory instrumentmusical instrumentstringed instrumentreed instrument