flaps

English Thesaurus

1. a movable airfoil that is part of an aircraft wing; used to increase lift or drag (noun.artifact)

hypernym	:	aerofoil, airfoil, control surface, surface,
definition	:	a device that provides reactive force when in motion relative to the surrounding air; can lift or control a plane in flight (noun.artifact)

hyponym	:	landing flap,
definition	:	a flap on the underside of the wing that is lowered to slow the plane for landing (noun.artifact)

part meronym	:	wing,
definition	:	one of the horizontal airfoils on either side of the fuselage of an airplane (noun.artifact)