airspeed

or air speed

[ air-speed ]
/ ˈɛərˌspid /

noun

the forward speed of an aircraft relative to the air through which it moves.
Compare groundspeed.

Origin of airspeed

First recorded in 1905–10; air1 + speed
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for airspeed

  • The pilot, a big-boned Britisher who had two jobs to do at once, watched the airspeed indicator.

    What The Left Hand Was Doing|Gordon Randall Garrett
  • I've never had her above 2.5, but the airspeed gauge is marked up to four.

    The Cosmic Computer|Henry Beam Piper

British Dictionary definitions for airspeed

airspeed

/ (ˈɛəˌspiːd) /

noun

the speed of an aircraft relative to the air in which it movesCompare groundspeed
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