Definitions for: Castor

[n] type genus of the Castoridae: beavers
[n] a hat made of beaver fur or similar material
[n] a pivoting roller attached to the bottom of furniture or trucks or portable machines to make them movable
[n] a shaker with a perforated top for sprinkling powdered sugar
[n] a multiple star with 6 components; second brightest in Gemini; close to Pollux

Webster (1913) Definition: Cas"tor, n. [L. castor the beaver, Gr. ?; of uncertain
1. (Zo["o]l.) A genus of rodents, including the beaver. See

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.

4. A heavy quality of broadcloth for overcoats.

Cast"or, n.
See Caster, a small wheel.

Cas"tor, n. [L.] (Astron.)
the northernmost of the two bright stars in the constellation
Gemini, the other being Pollux.

Cas"tor, Castorite Cas"tor*ite, n. [The minerals
castor and pollux were so named because found together on the
island of Elba. See Castor and Pollux.] (Min.)
A variety of the mineral called petalite, from Elba.

Synonyms: Alpha Geminorum, beaver, caster, genus Castor

See Also: beaver, Castoridae, family Castoridae, fur hat, Gemini, mammal genus, multiple star, roller, shaker

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