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air-traffic control

[air-traf-ik] /ˈɛərˌtræf ɪk/
noun
1.
a government service that facilitates the safe and orderly movement of aircraft within and between airports by receiving and processing data from radar and devices that monitor local weather conditions and by maintaining radio contact with pilots.
Origin
1930-1935
1930-35
Related forms
air-traffic controller, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for air traffic control

air-traffic control

noun
1.
an organization that determines the altitude, speed, and direction at which planes fly in a given area, giving instructions to pilots by radio
Derived Forms
air-traffic controller, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Contemporary definitions for air traffic control
noun

a ground-based system for controlling and monitoring air traffic within a designated area

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