noun
caster
KAHS-tuh
noun
1
A small swivelling wheel fixed to the underside of furniture or equipment so it can roll.
"One of the chair's casters kept squeaking."
2
A small container with a perforated top for sprinkling sugar, salt, or other condiments.
"She passed him the sugar caster."
3
Someone or something that casts, in the sense of throwing or shaping.
"The bronze caster worked late into the night finishing the mould."
How to Use Caster
Learner’s notesIn plain EnglishA small wheel under furniture, a shaker for sprinkling seasoning, or anyone/anything that casts.
Common pairings
sugar caster
chair caster
swivel caster
Word Forms
castered past tense, casters plural, Casters plural, casters singular
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One of the chair's _____ kept squeaking.
Etymology
From cast + -er; the furniture-wheel sense comes from an old use of "cast" meaning "to turn".