castor sugar

A form of caster sugar — Granulated sugar that has been sifted to have a finer crystal size, so that it can be shaken out of the holes of a caster.

Similar
caster sugar
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Meanings

nouncastor sugar (usually uncountable, plural castor sugars)

plural castor sugars

  1. AustraliaIrelandNew ZealandUKalternativeuncountableusuallyAlternative form of caster sugar.

Synonyms & antonyms

nounvery finely granulated sugar that was formerly sprinkled from a castor

Similar
caster sugar
Broader
powdered sugar
Also see
caster sugar

Synonym sets from Open English WordNet, CC BY 4.0.

Cite this entry
APA

castor sugar. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/castor%20sugar

MLA

“castor sugar.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/castor%20sugar. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “castor sugar,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/castor%20sugar.

Source: castor sugar on Wiktionary, CC BY-SA 4.0.