tomentum

noun
to·​men·​tum | \tō-ˈmen-təm \
plural tomenta\tō-​ˈmen-​tə \

Definition of tomentum 

: pubescence composed of densely matted woolly hairs

First Known Use of tomentum

1699, in the meaning defined above

History and Etymology for tomentum

New Latin, from Latin, cushion stuffing

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The first known use of tomentum was in 1699

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