Definition of airspeed noun from the Oxford Advanced Learner's Dictionary

 

airspeed

 noun
noun
BrE BrE//ˈeəspiːd//
 
; NAmE NAmE//ˈerspiːd//
 
Plane travel
 
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the speed of an aircraft relative to the air through which it is moving compare ground speed See related entries: Plane travel
See the Oxford Advanced American Dictionary entry: airspeed