Hypertext Webster Gateway: "Castor"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Castor \Cas"tor\, n. [L. castor the beaver, Gr. ?; of uncertain
origin.]
1. (Zo["o]l.) 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.
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Castor \Cast"or\, n.
See {Caster}, a small wheel.
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Castor \Cas"tor\, n. [L.] (Astron.)
the northernmost of the two bright stars in the constellation
Gemini, the other being Pollux.
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Castor \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.
From WordNet (r) 1.7 (wn)
Castor
n 1: a multiple star with 6 components; second brightest in
Gemini; close to Pollux [syn: {Castor}, {Alpha Geminorum}]
2: a pivoting roller attached to the bottom of furniture or
trucks or portable machines to make them movable [syn: {caster}]
3: a hat made of beaver fur or similar material [syn: {beaver}]
4: type genus of the Castoridae: beavers [syn: {Castor}, {genus
Castor}]
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