castor
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About Our Definitions: All forms of a word (noun, verb, etc.) are now displayed on one page.cas·tor
noun \ˈkas-tər\Definition of CASTOR
1
: beaver 1a
2
3
: a beaver hat
Origin of CASTOR
Middle English, from Latin, from Greek kastōr, from Kastōr Castor
First Known Use: 14th century
Cas·tor
noun \ˈkas-tər\Definition of CASTOR
1
: one of the Dioscuri
2
: the more northern of the two bright stars in Gemini
See Origin of CASTOR
Latin, from Greek Kastōr
First Known Use: 15th century
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