See under caster(def 6).
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Words nearby positive caster
Definition for positive caster (2 of 2)
[ kas-ter, kah-ster ]
/ ˈkæs tər, ˈkɑ stər /
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.
OTHER WORDS FROM castercast·er·less, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for positive caster
/ (ˈkɑːstə) /
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