castor sac

noun

An organ of a beaver releasing a secretion for refining the animal’s fell, popular in perfumery as under the name castoreum, and formerly used in medicine.

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Meanings

nouncastor sac (plural castor sacs)

plural castor sacs · alternative castor-sac

  1. An organ of a beaver releasing a secretion for refining the animal’s fell, popular in perfumery as under the name castoreum, and formerly used in medicine.

Translations

Finnish hausterauhanen, haustepussi
  • hausterauhanenbeaver’s castoreum organ
  • haustepussibeaver’s castoreum organ
  • hausbeaver’s castoreum organ
German Biberbeutel, Castorbeutel
  • Biberbeutelbeaver’s castoreum organ
  • Castorbeutelbeaver’s castoreum organ
Swedish bävergäll
  • bävergällbeaver’s castoreum organ
Cite this entry
APA

castor sac. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/castor%20sac

MLA

“castor sac.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/castor%20sac. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “castor sac,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/castor%20sac.

Source: castor sac on Wiktionary, CC BY-SA 4.0.