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preflight

[pree-flahyt]
adjective
  1. occurring or done before a flight: a preflight briefing of the plane's crew.
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noun
  1. a preflight briefing or a ground check, as of an airplane.
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Origin of preflight

First recorded in 1920–25; pre- + flight1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for preflight

preflight

adjective
  1. of or relating to the period just prior to a plane taking off
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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

Word Origin and History for preflight

adj.

also pre-flight, 1918 with reference to aviation, from pre- + flight (n.).

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Online Etymology Dictionary, © 2010 Douglas Harper