[kas-ter, kah-ster]

noun Also castor (for defs 2–5).

verb (used without object)

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

Nearby words

  1. castellón de la plana,
  2. castelnuovo-tedesco,
  3. castelo branco,
  4. castelo branco, humberto,
  5. castelvetro,
  6. caster action,
  7. caster sugar,
  8. castigate,
  9. castigation,
  10. castigatory

Origin of caster

Middle English word dating back to 1300–50; see origin at cast, -er1

Related formscast·er·less, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for castering



a person or thing that casts
Also: castor a bottle with a perforated top for sprinkling sugar, etc, or a stand containing such bottles
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

Word Origin and History for castering
Online Etymology Dictionary, © 2010 Douglas Harper