RUDDER Definition & Meaning - Merriam-Webster
The meaning of RUDDER is 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.

Rudder | Hydraulic, Marine & Control | Britannica
Rudder, part of the steering apparatus of a boat or ship that is fastened outside the hull, usually at the stern. The most common form consists of a nearly flat, smooth surface of wood or metal hinged at its forward edge to the sternpost.

RUDDER Definition & Meaning | Dictionary.com
A ship's rudder is a flat sheet attached to the stern (or back), that moves back and forth as the captain steers. It works by directing the water to move past the ship in a certain way, pushing the front of the vessel to the right or left.

Balanced rudder - Wikipedia
A balanced rudder is a rudder in which the axis of rotation of the rudder is behind its front edge.

Rudder - Simple English Wikipedia, the free encyclopedia
Stern-mounted steering oar of a Roman boat, 1st century AD (RG-Museum, Cologne) A rudder is used to steer ships, boats, submarines, aircraft, hovercraft or other vehicles that move through air or water.

Understanding Marine Rudders: Types, Usage, and Design Considerations
Rudders function based on basic mechanical principles. When the rudder is turned, it creates a pressure difference between its two sides, causing the vessel to pivot around its vertical axis. This action alters the direction of the incoming water flow, enabling the ship to change course.

RUDDER | English meaning - Cambridge Dictionary
us / ˈrʌd·ər / a flat blade at the back of a boat or aircraft that is moved from side to side in order to control the direction of travel (Definition of rudder from the Cambridge Academic Content Dictionary © Cambridge University Press)

Ship Rudder: 7 Types, How They Work, and Efficiency
A ship rudder steers by generating hydrodynamic lift. Compare all 7 types from unbalanced to Becker flap with real efficiency data and specs.

What is a Rudder? (with pictures) - WikiMotors
A rudder is a mechanism used to steer a boat, airplane, ship, hovercraft, or submarine. Rudders function by cutting through any kind of fluid, water or air, and forcing the fluid to pass by the body of a ship or airplane.