Castor

Definition of Castor

Cast´or

n.	1.	(Zool.) A genus of rodents, including the beaver. See Beaver.
	2.	Castoreum. See Castoreum.
	3.	A hat, esp. one made of beaver fur; a beaver. I have always been known for the jaunty manner in which I wear my castor. - Sir W. Scott.
	4.	A heavy quality of broadcloth for overcoats.
	1.	See Caster, a small wheel.
	1.	(Astron.) the northernmost of the two bright stars in the constellation Gemini, the other being Pollux.
	1.	(Min.) A variety of the mineral called petalite, from Elba.

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