cast·​er | \ ˈka-stər How to pronounce caster (audio) \

Definition of caster

1 : one that casts especially : a machine that casts type
2 or castor \ ˈka-​stər How to pronounce caster (audio) \
a : a usually silver table vessel with a perforated top for sprinkling a seasoning (such as sugar or spice)
b : a usually revolving metal stand bearing condiment containers (such as cruets, mustard pot, and often shakers) for table use : a cruet stand
3 : any of a set of wheels or rotating balls mounted in a swivel frame and used for the support and movement of furniture, trucks, and portable equipment
4 : the slight usually backward tilt from vertical of the axis of the steering mechanism of an automobile for giving directional stability to the front wheels

Examples of caster in a Sentence

Recent Examples on the Web Front caster wheels don’t track particularly well on bumpy ground or mowing sidehills. Roy Berendsohn, Popular Mechanics, 5 May 2022 The wizard, a caster who smites from the sky and heals herself and allies. Boone Ashworth, Wired, 21 Feb. 2022 Their latest effort, Starfinder Spell Cards, put all the information a spell caster needs for their cool powers on a single card. Rob Wieland, Forbes, 30 Jan. 2022 With a radiant light pouring from behind a hooded cowl, a mask caster will wait patiently as Sable reaches into a pool of white light emanating from beneath the hood and retrieve a mask. Washington Post, 1 Oct. 2021 Relentless/Vorpal – Just a good damage combo, but other swords may do it better, as this isn’t really what a caster is for. Paul Tassi, Forbes, 13 Sep. 2021 Wheels in the center of the vacuum propel it across the floor, while a swivel ball caster wheel at the front maneuvers the machine. Kristina Mcguirk, Better Homes & Gardens, 24 Sep. 2021 The company is spending $700 million to add a third electric arc furnace and a second caster for molten steel at its North Star minimill in Delta, Ohio. Paul Hannon, WSJ, 21 June 2021 Of course, those spells also have combat utility (for example, letting a squishy spell caster stay untouchable above a horde of melee enemies, or allowing a melee fighter to soar through the air to combat a flying enemy mage). Jason Bennett, Arkansas Online, 14 June 2021 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'caster.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of caster

14th century, in the meaning defined at sense 1

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The first known use of caster was in the 14th century

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Dictionary Entries Near caster

caste mark


castering landing gear

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Statistics for caster

Last Updated

11 May 2022

Cite this Entry

“Caster.” Dictionary, Merriam-Webster, Accessed 17 May. 2022.

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More Definitions for caster


cast·​er | \ ˈka-stər How to pronounce caster (audio) \

Kids Definition of caster

: one of a set of small wheels on a piece of furniture that makes it easier to move

More from Merriam-Webster on caster

Nglish: Translation of caster for Spanish Speakers

Britannica English: Translation of caster for Arabic Speakers


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