بالواره، مقطع آیرودینامیکی ،هر جسمی که دارای شکل و مقطع شبیه بال هواپیما باشد، دوکی شکل
Description
A structure with curved surfaces designed to give the most favourable ratio of lift to drag in flight, used as the basic form of the wings, fins, and tailplanes of most aircraft.
