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Synonyms

caster

American  
[kas-ter, kah-ster] / ˈkæs tər, ˈkɑ stər /

noun

  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)

  1. (of a wheel) to swivel freely in a horizontal plane.

caster British  
/ ˈkɑːstə /

noun

  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" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • casterless adjective

Etymology

Origin of caster

Middle English word dating back to 1300–50; see origin at cast, -er 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

She also recommends devil's ivy for a bathroom which will see lots of moisture, and a false caster oil plant for a shady room or hallway.

From BBC • Jan. 14, 2026

And slowly adding caster sugar while beating egg whites in Our Best Lemon Meringue helps keep the glorious layered treat from being gritty or grainy.

From Salon • Dec. 10, 2022

Maybe Willow will be a more consistent spell caster than he was as a teenager.

From New York Times • Sep. 8, 2022

The latest Elden Ring patch nerfs two extremely popular abilities, adds some sorely needed quality of life updates, and provides a significant buff to caster builds.

From The Verge • Mar. 17, 2022

“She must be a witch. Even Mrs. Larkin called her a sorceress. A caster of spells.”

From "Moon Over Manifest" by Clare Vanderpool

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.