The term 'wind-cheating' is a phrase used to describe the ability of an aircraft to reduce drag and increase speed. The crossword solution for this term is AERO, which is an abbreviation for aerodynamics, the study of how air interacts with objects in motion. Aerodynamics is an important factor in the design of aircraft, as it helps to reduce drag and increase speed. Wind-cheating is a term used to describe the ability of an aircraft to use aerodynamics to its advantage.