positive caster

noun Automotive.

See under caster(def 6).

Words nearby positive caster

positional nystagmus, positioner, positioning, positive, positive accommodation, positive caster, positive column, positive convergence, positive crankcase ventilation, positive declination, positive definite

Definition for positive caster (2 of 2)

caster

[ 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.

Origin of caster

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

OTHER WORDS FROM caster

cast·er·less, adjective

British Dictionary definitions for positive caster

caster

/ (ˈkɑːstə) /

noun

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

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