Last Updated
：2025/12/05
castor sac
Noun
Japanese Meaning
ビーバーの器官。ビーバーが分泌する物質を放出し、その物質はキャストルエウムと呼ばれ、香水の原料として利用され、かつては医療にも用いられた。
（ plural ）
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an organ of a beaver releasing a secretion for refining the animal’s fell, popular in perfumery as under the name castoreum, and formerly in medicine
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castor sac
The taxidermist carefully removed the castor sac to preserve the beaver's pelt for display.
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The taxidermist carefully removed the castor sac to preserve the beaver's pelt for display.
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