castoreum
cas·to·re·um
noun \ka-ˈstȯr-ē-əm\Definition of CASTOREUM
: a bitter strong-smelling creamy orange-brown substance that consists of the dried perineal glands of the beaver and their secretion and is used especially by perfumers —called also castor
Origin of CASTOREUM
Middle English castorium, from Latin castoreum, from castor
First Known Use: 14th century
Rhymes with CASTOREUM
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