caster
definition: a pivoting roller attached to the bottom of furniture or trucks or portable machines to make them movable
example:
speech part: noun
synonyms:
castor
definition: a shaker with a perforated top for sprinkling powdered sugar
example:
speech part: noun
synonyms:
castor
definition: a worker who casts molten metal into finished products
example:
speech part: noun
synonyms: