aileron

aileron [ál rän]

Aviation. 1. one of a pair of hinged control surfaces located near the trailing edge of each wing of an aircraft. Ailerons work as differential pairs, creating opposing lifting forces on opposite sides of the aircraft to produce a rolling motion about the craft's longitudinal axis.one of a pair of hinged control surfaces located near the trailing edge of each wing of an aircraft. Ailerons work as differential pairs, creating opposing lifting forces on opposite sides of the aircraft to produce a rolling motion about the craft's longitudinal axis. 2. of or relating to ailerons, especially to their function of controlling roll. Used to form compounds such asaileron angle, aileron balance,andaileron control.of or relating to ailerons, especially to their function of controlling roll. Used to form compounds such asaileron angle, aileron balance,andaileron control. Architecture. a half gable, as at the end of a penthouse roof. (From a French word meaning "little wing.")