Penna.
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The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
n. pl. pen·nae (pĕnē) A contour feather of a bird, as distinguished from a down feather or a plume. [Latin, feather; see pet- in the Appendix of Indo-European roots.] pen·naceous (pĕ-nāshəs) adj. |
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.