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Meaning of caster

cast•er

Pronunciation: (kas'tur, kä'stur), [key]
— n.
  1. a person or thing that casts.
  2. a small wheel on a swivel, set under a piece of furniture, a machine, etc., to facilitate moving it.
  3. a bottle or cruet for holding a condiment.
  4. a stand containing a set of such bottles.
  5. a metal container for sugar, pepper, etc., having a perforated top to permit sprinkling; dredger; muffineer.
  6. the angle that the kingpin makes with the vertical. Automobiles are usually designed with the upper end of the kingpin inclined rearwardfor improved directional stability.
—v.i.
  1. (of a wheel) to swivel freely in a horizontal plane.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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