rudder
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About Our Definitions: All forms of a word (noun, verb, etc.) are now displayed on one page.rud·der
noun \ˈrə-dər\Definition of RUDDER
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
: 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
: a guiding force or strategy
— rud·der·less \-ləs\ adjective
See Origin of RUDDER
Middle English rother, from Old English rōther paddle; akin to Old English rōwan to row
First Known Use: 14th century
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