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rudder

play
noun rud·der \ˈrə-dər\

Simple Definition of rudder

  • : a flat, movable piece usually of wood or metal that is attached to a ship, boat, airplane, etc., and is used in steering

Full Definition of rudder

  1. 1 :  an underwater blade that is positioned at the stern of a boat or ship and controlled by its helm and that when turned causes the vessel's head to turn in the same direction

  2. 2 :  a movable auxiliary airfoil on an airplane usually attached at the rear end that serves to control direction of flight in the horizontal plane — see airplane illustration

  3. 3 :  a guiding force or strategy

rud·der·less play \-ləs\ adjective

Origin of rudder

Middle English rother, from Old English rōther paddle; akin to Old English rōwan to row


First Known Use: 14th century

Rhymes with rudder



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