Aviation Dictionary
شکل، حالت، وضعیت و طرز قرار گرفتن قسمتهای مختلف یک دستگاه یا ماشین
1) the general arrangement of the wings, empennage, and landing gear of an airplane. examples: low-wing monoplane, biplane, v-tail, tricycle landing gear.
2) a term used to reference the position of the landing gear and flaps for a given flight condition.