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

Choose hampers with casters that easily glide under countertops or into closets. —Mary Cornetta, Better Homes & Gardens, 26 Apr. 2026

Larger houses often work with multiple casters and suppliers, making the transition to fully traceable gold a logistical challenge. —Jill Newman, Robb Report, 1 Feb. 2026

Locking caster wheels offer stability and, even more important, convenience — if your al fresco gathering gets rained out, just roll the cart indoors and keep the party going. —Jacquelyn McGilvray, PEOPLE, 18 Jan. 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