control surface

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a device that provides reactive force when in motion relative to the surrounding air;
can lift or control a plane in flight
• Syn:
airfoil, aerofoil, surface
• Hypernyms:
device
• Hyponyms:
aileron, elevator, flap, flaps, horizontal stabilizer,
horizontal stabiliser, tailplane, rotor blade, rotary wing, rudder, spoiler,
stabilizer, vertical tail, wing
• Part Meronyms:
leading edge, trailing edge