caster

noun

cast·​er ˈka-stər 

1

: one that casts

especially : a machine that casts type

2

or castor

ˈka-stər 

a

: a usually silver table vessel with a perforated top for sprinkling a seasoning (such as sugar or spice)

b

: a usually revolving metal stand bearing condiment containers (such as cruets, mustard pot, and often shakers) for table use : a cruet stand

3

: any of a set of wheels or rotating balls mounted in a swivel frame and used for the support and movement of furniture, trucks, and portable equipment

4

: the slight usually backward tilt from vertical of the axis of the steering mechanism of an automobile for giving directional stability to the front wheels

Examples of caster in a Sentence

Recent Examples on the Web

This elegant piece is upholstered in a durable performance velvet and, while not technically a swivel chair, the front legs are equipped with front caster wheels for easy pivoting. —Julia Harrison, Architectural Digest, 12 June 2026

First, put the casters and gas cylinder in the five-prong base. —Will Greenwald, PC Magazine, 9 June 2026

The phrase has its own meaning within Anne Rice’s lush, grandiose world of bloodsuckers and spell-casters as interpreted by creator and showrunner Rolin Jones. —Alison Herman, Variety, 7 June 2026

This is where lightweight furniture, modular furniture, and islands on casters come in handy. —Maria Sabella, The Spruce, 30 May 2026

Word History

First Known Use

14th century, in the meaning defined at sense 1

Phrases Containing caster

• caster sugar

Rhymes for caster

• aster
• blaster
• castor
• faster
• gaster
• laster
• master
• paster
• pastor
• plaster
• raster
• vaster

Kids Definition

caster

noun

cast·​er ˈkas-tər 

1

: one that casts

2

or castor

ˈkas-tər 

: a small container (as for salt) with a top having small holes

3

: a small wheel that turns freely and is used for the support and movement of furniture