Nautical. a vertical blade at the stern of a vessel that can be turned horizontally to change the vessel’s direction when in motion.
Aeronautics. a movable control surface attached to a vertical stabilizer, located at the rear of an airplane and used, along with the ailerons, to turn the airplane.
any means of or device for governing, directing, or guiding a course, as a leader or principle:
His ideas provided a rudder for the new company.
(nautical) a pivoted vertical vane that projects into the water at the stern of a vessel and can be controlled by a tiller, wheel, or other apparatus to steer the vessel
a vertical control surface attached to the rear of the fin used to steer an aircraft, in conjunction with the ailerons
anything that guides or directs
noun, Nautical. 1. the vertical member of a stern frame on which the rudder is hung; a sternpost. noun (nautical) 1. Also called rudderstock (ˈrʌdəˌstɒk). a postlike member at the forward edge of a rudder 2. the part of the stern frame of a vessel to which a rudder is fitted
noun, Nautical. 1. the vertical member at the forward edge of a rudder, hinged at the sternpost and attached to the helm or steering gear.
noun, Aeronautics. 1. a control surface functioning both as a rudder and as an elevator.
adjective, ruddier, ruddiest. 1. of or having a fresh, healthy red color: a ruddy complexion. 2. red or reddish. 3. British Slang. damned: a ruddy fool. adverb 4. British Slang. damned: He’d ruddy well better be there. adjective -dier, -diest 1. (of the complexion) having a healthy reddish colour, usually resulting from an outdoor life […]