caster

noun

cast·​er ˈka-stər How to pronounce caster (audio)
1
: one that casts
especially : a machine that casts type
2
or castor
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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Highlights include the three spacious burners, swivel casters, electric push-button ignition and the capability to add on several cooking accessories. Bestreviews, Mercury News, 3 July 2026 Though technically more of an engineering achievement, casters have prevented untold back injuries that might have otherwise occurred from actually lifting furniture. Scott Lafee, San Diego Union-Tribune, 30 June 2026 It's filled with witchy icons that every spell-caster has to have in their home—broomsticks, spell books, potions, and more. Sophia Beams, Better Homes & Gardens, 25 June 2026 This elegant piece is upholstered in a durable performance velvet and, while not technically a swivel chair, the front legs are equipped with front caster wheels for easy pivoting. Julia Harrison, Architectural Digest, 12 June 2026 See All Example Sentences for caster

Word History

First Known Use

14th century, in the meaning defined at sense 1

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

Cite this Entry

“Caster.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/caster. Accessed 5 Jul. 2026.

Kids Definition

caster

noun
cast·​er ˈkas-tər How to pronounce caster (audio)
1
: one that casts
2
or castor : a small container (as for salt) with a top having small holes
3
: a small wheel that turns freely and is used for the support and movement of furniture

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