Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun rudder
2 senses of rudder
Sense 1
rudder -- (a hinged vertical airfoil mounted at the tail of an aircraft and used to make horizontal course changes)
=> airfoil, aerofoil, control surface, surface -- (a device that provides reactive force when in motion relative to the surrounding air; can lift or control a plane in flight)
Sense 2
rudder -- ((nautical) steering mechanism consisting of a hinged vertical plate mounted at the stern of a vessel)
=> steering system, steering mechanism -- (a mechanism by which something is steered (especially a motor vehicle))