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castor
 
Noun castor has 5 senses
  1. Castor, Alpha Geminorum - a multiple star with 6 components; second brightest in Gemini; close to Pollux
    --1 is a kind of multiple star
    --1 is a member of Gemini
  2. caster, castor - a shaker with a perforated top for sprinkling powdered sugar
    --2 is a kind of shaker
  3. caster, castor - a pivoting roller attached to the bottom of furniture or trucks or portable machines to make them movable
    --3 is a kind of roller
  4. beaver, castor - a hat made of beaver fur or similar material
    --4 is a kind of fur hat
  5. Castor, genus Castor - type genus of the Castoridae: beavers
    --5 is a kind of mammal genus
    --5 is a member of Castoridae, family Castoridae
    --5 has members: beaver
castle in the air castle passage castle wall castled castles castlevania castling castor-oil plant castor castor bean castor bean plant castor canadensis castor fiber castor oil castor sugar castoridae castoroides

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