Definition of rudder:
- A riddle or sieve.
- Fig.: That which resembles a rudder as a guide or governor; that which guides or governs the course.
- In an aircraft, a surface the function of which is to exert a turning moment about an axis of the craft.
- The mechanical appliance by means of which a vessel is guided or steered when in motion. It is a broad and flat blade made of wood or iron, with a long shank, and is fastened in an upright position, usually by one edge, to the sternpost of the vessel in such a way that it can be turned from side to side in the water by means of a tiller, wheel, or other attachment.
- "Daisy in the Field", Elizabeth Wetherell.
- "Lost in the Cañon", Alfred R. Calhoun.
- "Letters of John Keats to His Family and Friends", John Keats.