Longman Dictionary of Contemporary English
caster sugar
noun
EXAMPLES FROM CORPUS
▪ Add the caster sugar, if using, and sufficient water to cover, then poach until tender but not too soft.
▪ Beat the Ricotta and Mascarpone together until soft, add the caster sugar and beat until fluffy. 3.
▪ Grease four small soufflé dishes with the butter and sprinkle with caster sugar. 6.
▪ In a bowl, beat the yolks with the caster sugar and mix in a little cream.
▪ Mix together the lemon juice and freshly squeezed orange juice, then stir in the caster sugar.
▪ Pour fresh cream over the cheese, covering it completely; serve caster sugar separately.
▪ To make the caramel, place the caster sugar in a pan with a little water.
▪ Whisk the egg whites until stiff, then gradually add the caster sugar.
Wiktionary
caster sugar
alt. granulated sugar that has been sift to have a finer crystal size, so that it can be shaken out of the holes of a caster. n. granulated sugar that has been sift to have a finer crystal size, so that it can be shaken out of the holes of a caster.
WordNet
caster sugar
n. very finely granulated sugar that was formerly sprinkled from a castor [syn: castor sugar]
Usage examples of "caster sugar".
So are Helsinki and Leningrad, and so is Manhattan that sparkled in the dusk like a wet finger dipped into the caster sugar of electricity.