no-fly zone

[noh-flahy]

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noun

an area over which no military flights are allowed.

Origin of no-fly zone

First recorded in 1991

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for no-fly zone

no-fly zone

noun

an area in which aeroplanes may not fly, esp during wartime
a taboo subject

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