- A riddle or sieve. - 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. - Fig.: That which resembles a rudder as a guide or governor;
that which guides or governs the course.
Definition
[ n.]