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).
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 shaker with a perforated top for sprinkling condiments such as sugar, salt, pepper, etc.
A stand to hold a set of shakers or cruets.
Someone or something that casts.
To act as a caster
A similar rotational bearing comprising a rotating arc or ring sliding in the groove of a stationary arc, used in machinery to allow a workpiece to be moved relative to a fixed tool.
A similar rotational bearing used in automotive suspensions.
A shaft, held by a bearing, at each end or side of a rotatable object.
One of the short stubby bearings on either side of a cannon; a gudgeon.