[kas-ter, kah-ster]
noun Also, castor (for defs 2–5).
a person or thing that casts.
a small wheel on a swivel, set under a piece of furniture, a machine, etc., to facilitate moving it.
a bottle or cruet for holding a condiment.
a stand containing a set of such bottles.
a metal container for sugar, pepper, etc., having a perforated top to permit sprinkling; dredger; muffineer.
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)
(of a wheel) to swivel freely in a horizontal plane.

1300–50; Middle English; see cast, -er1

casterless, adjective Unabridged


[kast, kahst]
an endogamous and hereditary social group limited to persons of the same rank, occupation, economic position, etc., and having mores distinguishing it from other such groups.
any rigid system of social distinctions.
Hinduism. any of the social divisions into which Hindu society is traditionally divided, each caste having its own privileges and limitations, transferred by inheritance from one generation to the next; jati. Compare class ( def 13 ).
any class or group of society sharing common cultural features: low caste; high caste.
social position conferred upon one by a caste system: to lose caste.
Entomology. one of the distinct forms among polymorphous social insects, performing a specialized function in the colony, as a queen, worker or soldier.
of, pertaining to, or characterized by caste: a caste society; a caste system; a caste structure.

1545–55; < Portuguese casta race, breed, noun use of casta, feminine of casto < Latin castus pure, chaste

casteism, noun
casteless, adjective
anticaste, adjective
intercaste, adjective
subcaste, noun

cast, caste, class. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To caster
World English Dictionary
caste (kɑːst)
1.  a.  Brahman Kshatriya Vaisya See also Sudra any of the four major hereditary classes, namely the Brahman, Kshatriya, Vaisya, and Sudra into which Hindu society is divided
 b.  Also called: caste system the system or basis of such classes
 c.  the social position or rank conferred by this system
2.  any social class or system based on such distinctions as heredity, rank, wealth, profession, etc
3.  the position conferred by such a system
4.  entomol any of various types of specialized individual, such as the worker, in social insects (hive bees, ants, etc)
[C16: from Portuguese casta race, breed, ancestry, from casto pure, chaste, from Latin castus]

caster (ˈkɑːstə)
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
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Word Origin & History

1555, "a race of men," from L. casto "chaste," from castus "pure, cut off, separated," pp. of carere "to be cut off from" (and related to castrate), from PIE base *kes- "to cut."Application to Hindu social groups picked up in India 17c. from Port. casta "breed, race, caste," earlier casta raca "unmixed
race," from the same L. word. Caste system is first recorded 1840.

"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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American Heritage
Science Dictionary
caste   (kāst)  Pronunciation Key 

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A specialized group carrying out a specific function within a colony of social insects. For example, in an ant colony, members of the caste of workers forage for food outside the colony or tend eggs and larvae, while the members of the caste of soldiers, often larger with stronger jaws, are responsible for defense of the colony.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Cultural Dictionary
caste [(kast)]

One of the four hereditary social divisions in Hinduism. Members of any one caste are restricted in their choice of occupation and may have only limited association with members of other castes.

Note: Caste has come to mean a group of persons set apart by economic, social, religious, legal, or political criteria, such as occupation, status, religious denomination, legal privilege, skin color, or some other physical characteristic. Members of a caste tend to associate among themselves and rarely marry outside the caste. Castes are more socially separate from each other than are social classes.
Note: During the height of segregation in the United States, African-Americans were sometimes loosely referred to as a caste.
The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Example sentences
To make your life easier, you can put them on caster wheels and put them on
  your patio.
When ever there is a meteor shower, the weather caster always informs us to
  look skyward to see the shooting stars.
The former does not need a balanced news caster, the latter does not need brain.
The molten steel is tapped into a preheated ladle and transferred to the
  tundish at the billet caster.
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