caster

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. a worker who casts molten metal into finished products
• Derivationally related forms:
cast
• Hypernyms:
worker
2. a shaker with a perforated top for sprinkling powdered sugar
• Syn:
castor
• Hypernyms:
shaker
3. a pivoting roller attached to the bottom of furniture or trucks or portable machines to make them movable
• Syn:
castor
• Hypernyms:
roller