Definition of "caster" in English

noun

1. Someone or something that casts.

   • a caster of spells
   • a caster of stones
   • a caster of bronze statuary

2. 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).

   • Many office chairs roll on a set of casters.

3. A shaker with a perforated top for sprinkling condiments such as sugar, salt, pepper, etc.

   • a set of casters

4. A stand to hold a set of shakers or cruets.

5. (automotive) 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.

verb

1. To act as a caster