Children's, Intermediate and Advanced Online English Dictionary & Thesaurus

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instrument landing a landing accomplished only by means of the instruments of an aircraft and signals from the ground, rather than by visual observation.
instrument panel a panel of meters, gauges, and controls, as in an automobile, aircraft, or spacecraft.
percussion instrument a musical instrument, such as a drum, cymbal, xylophone, or piano, in which the sound is produced when some part is struck.
reed instrument any musical instrument, such as the clarinet, oboe, or bassoon, in which the sound is produced by a vibrating reed or reeds.
stringed instrument any musical instrument, such as the violin, guitar, or zither, in which the tones are produced by strings played with the fingers or with a plectrum or bow.
transit instrument a telescope mounted so that it can be rotated only along a longitudinal meridian, used to observe and measure the transit time of celestial bodies across that meridian.
wind instrument a musical instrument, such as the flute, trumpet, or clarinet, that is sounded by the force of air blown into it.