Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun castor

5 senses of castor

Sense 1
Castor, Alpha Geminorum -- (a multiple star with 6 components; second brightest in Gemini; close to Pollux)
       INSTANCE OF=> multiple star -- (a system of three or more stars associated by gravity)

Sense 2
caster, castor -- (a shaker with a perforated top for sprinkling powdered sugar)
       => shaker -- (a container in which something can be shaken)

Sense 3
caster, castor -- (a pivoting roller attached to the bottom of furniture or trucks or portable machines to make them movable)
       => roller -- (a small wheel without spokes (as on a roller skate))

Sense 4
beaver, castor -- (a hat made with the fur of a beaver (or similar material))
       => fur hat -- (a hat made of fur)

Sense 5
Castor, genus Castor -- (type genus of the Castoridae: beavers)
       => mammal genus -- (a genus of mammals)