¦ ̷ ̷ ˌ ̷ ̷ adjective
: having an airplane wing whose outer portion folds back along the fuselage to give the plane an arrowhead planform at high speeds
¦ ̷ ̷ ˌ ̷ ̷ adjective
: having an airplane wing whose outer portion folds back along the fuselage to give the plane an arrowhead planform at high speeds
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012