groundspeed

or ground speed

[ground-speed]

noun

the speed of an aircraft with reference to the ground.

Nearby words

  1. groundsheet,
  2. groundside,
  3. groundsill,
  4. groundskeeper,
  5. groundsman,
  6. groundswell,
  7. groundwater,
  8. groundwood,
  9. groundwood pulp,
  10. groundwork

Origin of groundspeed

First recorded in 1915–20; ground1 + speed

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019


British Dictionary definitions for groundspeed

groundspeed

noun

the speed of an aircraft relative to the groundCompare airspeed
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