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castor

1

[ kas-ter, kah-ster ]

noun

  1. Also a brownish, unctuous substance with a strong, penetrating odor, secreted by certain glands in the groin of the beaver, used in medicine and perfumery.
  2. a hat made of beaver or rabbit fur.
  3. a heavy woolen cloth used mainly for coats.
  4. a beaver.


Castor

2

[ kas-ter, kah-ster ]

noun

Astronomy.
  1. a star of the second magnitude in the constellation Gemini, the more northerly of the two bright stars in this constellation.

Castor

1

/ ˈɑːə /

noun

  1. the second brightest star, Alpha Geminorum, in the constellation Gemini: a multiple star consisting of six components lying close to the star Pollux. Distance: 52 light years
  2. classical myth See Castor and Pollux
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

castor

2

/ ˈɑːə /

noun

  1. the brownish aromatic secretion of the anal glands of a beaver, used in perfumery and medicine
  2. the fur of the beaver
  3. a hat made of beaver or similar fur
  4. a less common name for beaver 1
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

castor

3

/ ˈɑːə /

noun

  1. a variant spelling of caster caster
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Castor

/ ăə /

  1. A bright multiple star in the constellation Gemini, with a combined apparent magnitude of 0.08. Scientific name: Alpha Geminorum.
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yvlog History and Origins

Origin of castor1

1350–1400; Middle English < Latin < Greek áō beaver

Origin of castor2

Named after Castor; Castor and Pollux
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yvlog History and Origins

Origin of castor1

C14: from Latin, from Greek 첹ō beaver
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Example Sentences

Examples have not been reviewed.

India mainly exports rice, shrimp, honey, vegetable extracts, castor oil and black pepper, while the US sends almonds, walnuts, pistachios, apples and lentils.

From

The invasive species they brought — like black mustard, tree tobacco and castor bean — slowly crept into the ecosystem.

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“Those, over there, are actually castor bean stalks,” Kleckner said as we zoomed past.

From

Ricin is a highly toxic poison naturally derived from castor oil plants.

From

The modified Arabidopsis overcame metabolic bottlenecks and produced significant amounts of an oil similar to castor oil that it doesn't naturally produce.

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