Castor meaning

kăstər
Frequency:
An oily, brown, odorous substance obtained from glands in the groin of the beaver and used as a perfume fixative.
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(greek mythology) One of the Dioscuri.
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A double star in the constellation Gemini, approximately 46 light years from Earth and of roughly equal brightness with Pollux.
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(rare) A beaver.
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A sexual gland of the beaver containing a strong-smelling, oily substance used as a scent in trapping and in making perfumes.
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(class. myth., person, proper) The mortal twin of Pollux.
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A hat made of beaver fur or an imitation.
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A heavy wool fabric used especially for overcoats.
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A hat of beaver or rabbit fur.
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(place, proper) A multiple star, actually the second brightest star in the constellation Gemini although it is considered the twin of Pollux: magnitude, 1.58
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An oily, brown, odorous substance obtained from glands in the groin of the beaver and used as a perfume fixative.
noun
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A bright multiple star in the constellation Gemini, with a combined apparent magnitude of 0.08. Scientific name: Alpha Geminorum.
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A pivoting roller attached to the bottom of furniture to allow it to be moved.
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A hat made from the fur of the beaver.
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A caster; a container with perforated cap for sprinkling (e.g. pepper-castor).
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A heavy quality of broadcloth for overcoats.
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(mineralogy) A variety of petalite found in Elba.
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(Greek mythology) One of the Dioscuri.
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(astronomy) A double star in the constellation Gemini; alpha (α) Geminorum.
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Origin of castor

  • Middle English from Latin beaver from Greek kastōr

    From American Heritage Dictionary of the English Language, 5th Edition

  • Latin from Greek Kastōr twin of Pollux

    From American Heritage Dictionary of the English Language, 5th Edition

  • Named from Greek mythology; see Castor and Pollux. The name pollux was given to another mineral with which it was always found.

    From Wiktionary

  • From Old French castor (“beaver”), from Latin castor (“beaver”).

    From Wiktionary