Definition of instrument
(Entry 1 of 2)
1 : a device used to produce music also : a singing voice
3a : a measuring device for determining the present value of a quantity under observation
b : an electrical or mechanical device used in navigating an airplane especially : such a device used as the sole means of navigating
4a : a means whereby something is achieved, performed, or furthered
5 : a formal legal document (such as a deed, bond, or agreement)
instrument
verbinstrumented; instrumenting; instruments
Definition of instrument (Entry 2 of 2)
1 : to address a legal instrument to
2 : to score for musical performance : orchestrate
3 : to equip with instruments especially for measuring and recording data
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Time Traveler for instrument
The first known use of instrument was in the 14th century
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