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castor2

Pronunciation: /ˈkɑːstə/
Translate castor | into German | into Italian
Definition of castor

noun

[mass noun]
  • an oily reddish-brown substance secreted by beavers, used in medicine and perfumes.

Origin:

late Middle English (in the sense 'beaver'): from Old French or Latin, from Greek kastōr

castor in other Oxford dictionaries

Definition of castor in the US English dictionary