Definition of rudder :
1. A riddle or sieve.
2. Fig.: That which resembles a rudder as a guide or governor; that which guides or governs the course.
3. In an aircraft, a surface the function of which is to exert a turning moment about an axis of the craft.
4. 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.
- " It is the cross pulls with the oar, striving to undo the work of the rudder, that draw the vessel out of her course. - "Daisy in the Field", Elizabeth Wetherell.
- IÃ¢â‚¬â„¢ d a heap sight rudder hab one good, squar meal dan a hundred scrimpsy ones. - "Lost in the CaÃ±on", Alfred R. Calhoun.
- I must steer myself by the rudder of Information.... - "Letters of John Keats to His Family and Friends", John Keats.