Plain English Meaning
When the tip of a wing hits the ground, usually during takeoff or landing.
Full Definition
Contact between an airplane's wingtip and the runway or other surface, typically caused by excessive bank angle during takeoff or landing, a crosswind landing with insufficient correction, or loss of directional control on the ground.
Context Anchor
You may see this term in discussions of landing attitude, sink rate control, crosswind landings, taxi clearance, and .