First Known Use: 14th century
Dictionary
castoreum
noun cas·to·re·um \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
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Origin of CASTOREUM
Middle English castorium, from Latin castoreum, from castor
Rhymes with CASTOREUM
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