Meaning of the word "caster sugar" in English

What does "caster sugar" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

caster sugar

US /ˈkæs.tər ˌʃʊɡ.ər/
UK /ˈkɑː.stə ˌʃʊɡ.ər/
"caster sugar" picture

Noun

a type of finely granulated sugar that dissolves quickly, often used in baking and for sweetening drinks

Example:
Add two tablespoons of caster sugar to the mixture.
She sprinkled caster sugar over the fresh berries.