Rudder



GRE

解释

GRE 红宝书

• n. 船舵; 领导者
• ［英］ 船舵; 领导者 ( something in a boat, ship, or aircraft, serving to guide, direct, or control; leader)
• ［例］ Mary turned the rudder sharply to avoid hitting the rock.

Webster Collegiate

noun

• Etymology: Middle English rother, from Old English rōther paddle; akin to Old English rōwan to row
• Date: 14th century
• 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
• ? rudderless adjective

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