castor
/ˈkæs.tɚ/ noun C2- A hat made from the fur of the beaver.
- A heavy quality of broadcloth for overcoats.
- Castoreum (bitter exudate of mature beavers).
- Any of various nymphalid butterflies of the genus Ariadne, of Africa and Asia.
Plural castors
From the library
He went away for a dust bath under the castor-oil bushes, while Teddy’s father beat the dead Karait.
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