castor

Meaning

Noun

• 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 (genus), of Africa and Asia.
• A variety of petalite found in Elba.
• Alternate spelling of caster, especially in its senses

Related

Similar words

• beaver, castoreum
• beaver
• castorite

Origin

• From Middle French castor, from Old French castor, from Latin castor.
• Named from Greek mythology; see Castor and Pollux. The name pollux was given to another mineral with which it was always found.
• Alternative spelling of caster, via cast + -or (the Latinate varient of -er).