pen·​na·​ceous | \ pəˈnāshəs \

Definition of pennaceous

: of, being, or resembling a penna

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First Known Use of pennaceous

1819, in the meaning defined above

History and Etymology for pennaceous

New Latin pennaceus, from Latin penna + -aceus -aceous

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The first known use of pennaceous was in 1819

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Cite this Entry

“Pennaceous.” The Dictionary, Merriam-Webster Inc., Accessed 27 January 2020.

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