Castors meaning : Someone or something that casts A wheeled assembly attached to a larger object at its base to facilitate rolling. A caster usually consists of a wheel (which may be plastic, a hard elastomer, or metal), an axle, a mounting provision (usually a stem, flange, or plate), and sometimes a swivel (which allows the caster to rotate for steering). A shaker with a perforated top for sprinkling condiments such as sugar, salt, pepper, etc. A stand to hold a set of shakers or cruets. The angle of the axis around which a car's front wheels rotate when the steering wheel is turned, with a vertical axis being defined as zero caster. A hat made from the fur of the beaver. A heavy quality of broadcloth for overcoats. Castoreum (bitter exudate of mature beavers). Any of various nymphalid butterflies of the genus Ariadne, of Africa and Asia.