castoreum
noun
High School
1
The bitter exudate of the castor sacs of mature beavers, used as a scent mark, and as a tincture in some perfumes.
2
A hat made from beaver fur.
Thesaurus
#archaic
The bitter exudate of the castor sacs of mature beavers, used as a scent mark, and as a tincture in some perfumes.
A hat made from beaver fur.