In"stru*ment (?), n. [F.
instrument, L. instrumentum. See Instruct.]
1. 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.
All the lofty instruments of war.
Shak.
2. 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.
3. (Law) 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.
Burrill.
4. One who, or that which, is made a means,
or is caused to serve a purpose; a medium, means, or agent.
Or useful serving man and instrument,
To any sovereign state.
Shak.
The bold are but the instruments of the
wise.
Dryden.
Syn. -- Tool; implement; utensil; machine; apparatus;
channel; agent.
In"stru*ment (?), v. t. To perform
upon an instrument; to prepare for an instrument; as, a sonata
instrumented for orchestra.
