castor
castor - noun
a multiple star with 6 components; second brightest in Gemini; close to Pollux
a shaker with a perforated top for sprinkling powdered sugar
a pivoting roller attached to the bottom of furniture or trucks or portable machines to make them movable
a hat made with the fur of a beaver (or similar material)
type genus of the Castoridae: beavers
castor - thesaurus
beaver
caster