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n. pl. pen·nae (pĕn′ē)
A contour feather of a bird, as distinguished from a down feather or a plume.

[Latin, feather; see pet- in Indo-European roots.]

pen·na′ceous (pĕ-nā′shəs) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


n, pl -nae (-niː)
(Zoology) ornithol any large feather that has a vane and forms part of the main plumage of a bird
[Latin: feather]
pennaceous adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈpɛn ə)

n., pl. pen•nae (ˈpɛn i)
a contour feather, as distinguished from a down feather.
[< Latin: feather. See pen1]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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Avent and Penna each previously settled insider trading charges brought against them.
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Dai contorni talvolta arcani, la figura del fanciullo, in Penna, si
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Boyle's musical palette is largely neoromantic in its flavor, which suits both these texts and Eley and Penna's gifts very well indeed.
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