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air alert

noun

  1. the act of flying while waiting for combat orders or for enemy airplanes to appear.
  2. the signal to take stations for such action.


air alert

noun

  1. the condition in which combat aircraft are airborne and ready for an operation
  2. a signal to prepare for this
“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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Word History and Origins

Origin of air alert1

First recorded in 1940–45

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airair arm