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1. Oxford American Dictionary

   rudder

   • IPA[ˈrədər]

   美式

   • n.
     a flat piece hinged vertically near the stern of a boat or ship for steering.；a vertical airfoil pivoted from the horizontal stabilizer of an aircraft, for controlling movement around the vertical axis.

   • noun: rudder, plural noun: rudders

2. • 釋義

   n.

   名詞

   • 1. a flat piece hinged vertically near the stern of a boat or ship for steering.
   • ▪ a vertical airfoil pivoted from the horizontal stabilizer of an aircraft, for controlling movement around the vertical axis.
   • ▪ application of a rudder in steering a boat, ship, or aircraft bring the aircraft to a stall and apply full rudder a small amount of extra rudder