Castor - Definition
castor
n 1: a multiple star with 6 components; second brightest in
Gemini; close to Pollux [syn: Castor, Alpha Geminorum]
2: a shaker with a perforated top for sprinkling powdered sugar
[syn: caster, castor]
3: a pivoting roller attached to the bottom of furniture or
trucks or portable machines to make them movable [syn:
caster, castor]
4: a hat made with the fur of a beaver (or similar material)
[syn: beaver, castor]
5: type genus of the Castoridae: beavers [syn: Castor, genus
Castor]