Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “ground speed”

ground speed

noun [C usually singular] uk   specialized us  
An aircraft's ground speed is its speed when measured against the ground rather than the air through which it moves.Speed of motionAviationTravelling by aircraftMovement through the air
(Definition of ground speed from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of ground speed?
Browse related topics

You are looking at an entry to do with Speed of motion, but you might be interested in these topics from the Moving quickly and slowly topic area:

Add Cambridge dictionaries to your browser to your website

Translations of “ground speed”

Word of the Day

blueprint

a photographic copy of an early plan for a building or machine

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More