Instrument /(?)/

In·stru·ment

Instrument

That by means of which any work is performed, or result is effected; a tool; a utensil; an implement; a device; as, the instruments of a mechanic; astronomical instruments.
All the lofty instruments of war.
— Shak.
A contrivance or implement, by which musical sounds are produced; as, a musical instrument.
Praise him with stringed instruments and organs.
— Ps. cl. 4.

But signs when songs and instruments he hears.
— Dryden.
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. (Law)
One who, or that which, is made a means, or is caused to serve a purpose; a medium, means, or agent; as, their army was primarily an instrument of oppression.
Or useful serving man and instrument, To any sovereign state.
— Shak.

The bold are but the instruments of the wise.
— Dryden.

v. t.

To perform upon an instrument; to prepare for an instrument; as, a sonata instrumented for orchestra.
To furnish or equip with instruments; to attach instruments to; as, the fighter planes were heavily instrumented; the patient was instrumented to monitor him remotely.