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Noun: groundspeed  'grawnd`speed
  1. The speed of an aircraft relative to the ground

Derived forms: groundspeeds

Type of: speed, velocity

Encyclopedia: Groundspeed

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groundnut vine
grounds
groundsel
groundsel bush
groundsel tree
ground-service crew
ground-shaker
groundsheet
groundskeeper
groundsman
groundspeed
groundwater level
groundwork
group
group A
group AB
group action
group Amentiferae
group B
group captain
group Centrospermae