caster

[kas-ter, kah-ster] /ˈkæs tər, ˈkɑ stər/
noun, Also, castor (for defs 2–5).
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.
Automotive. the angle that the kingpin makes with the vertical. Automobiles are usually designed with the upper end of the kingpin inclined rearward (positive caster) for improved directional stability.
verb (used without object)
7.
(of a wheel) to swivel freely in a horizontal plane.
Origin
1300–50; Middle English; see cast, -er1
Related forms
casterless, adjective
British Dictionary definitions for caste rless
caster (ˈkɑːstə)
 
n
1.  a person or thing that casts
2.  Also: castor a bottle with a perforated top for sprinkling sugar, etc, or a stand containing such bottles
3.  Also: castor a small wheel mounted on a swivel so that the wheel tends to turn into its plane of rotation

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for caste rless
caster
"pepper shaker," 1676, on notion of "throwing;" meaning "wheel and swivel attached to furniture" is from 1748, from cast (q.v.) in the old sense of "turn."
Online Etymology Dictionary, © 2010 Douglas Harper
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Tile value for caste

7
8
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