Castor
WordNet

noun


(1)   Type genus of the Castoridae: beavers
(2)   A hat made with the fur of a beaver (or similar material)
(3)   A pivoting roller attached to the bottom of furniture or trucks or portable machines to make them movable
(4)   A shaker with a perforated top for sprinkling powdered sugar
(5)   A multiple star with 6 components; second brightest in Gemini; close to Pollux
WiktionaryText

Etymology


1398 castor < < Greek .

Proper noun


Castor
  1. : One of the Dioscuri
  2. : A double star in the constellation Gemini; alpha (α) Geminorum.
 
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