follow Dictionary.com

Get the details behind our redesign

positive caster

noun, Automotive.
1.
See under caster (def 6).

caster

[kas-ter, kah-ster] /ˈkæs tər, ˈkɑ stər/
noun, Also, castor (for defs 2–5).
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)
7.
(of a wheel) to swivel freely in a horizontal plane.
Origin
1300-1350
1300-50; Middle English; see cast, -er1
Related forms
casterless, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
Examples for positive caster
  • If the caster is different from side to side, the vehicle will pull to the side with the less positive caster.
British Dictionary definitions for positive caster

caster

/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
Cite This Source
Word Origin and History for positive caster
caster
"pepper shaker," 1676, on notion of "throwing;" meaning "wheel and swivel attached to furniture" is from 1748, from cast (q.v.) in the old sense of "turn."
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source

Word of The Day

Difficulty index for positive caster

Few English speakers likely know this word

Word Value for positive

13
15
Scrabble Words With Friends