rudder

1. n. A riddle or sieve. Source: opted

2. n. 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. Source: opted

3. n. Fig.: That which resembles a rudder as a guide or governor; that which guides or governs the course. Source: opted

4. n. a hinged vertical airfoil mounted at the tail of an aircraft and used to make horizontal course changes Source: wordnet

5. n. (nautical) steering mechanism consisting of a hinged vertical plate mounted at the stern of a vessel Source: wordnet

6. n:100 n. a hinged vertical airfoil mounted at the tail of an aircraft and used to make horizontal course changes n. (nautical) steering mechanism consisting of a hinged vertical plate mounted at the stern of a vessel Source: ecdict

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