castor

Noun

• type genus of the Castoridae: beavers

• a hat made with the fur of a beaver (or similar material)

• a pivoting roller attached to the bottom of furniture or trucks or portable machines to make them movable

• a shaker with a perforated top for sprinkling powdered sugar

• a multiple star with 6 components; second brightest in Gemini; close to Pollux

Related words

• Synonyms: 
  Castor , genus Castor , beaver , caster , Alpha Geminorum