groundspeed

or ground speed

[ ground-speed ]

noun
  1. the speed of an aircraft with reference to the ground.

Origin of groundspeed

1
First recorded in 1915–20; ground1 + speed

Words Nearby groundspeed

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

British Dictionary definitions for groundspeed

groundspeed

/ (ˈɡraʊndˌspiːd) /


noun
  1. the speed of an aircraft relative to the ground: Compare 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