penna
noun pl. pennae
a contour feather
See penna in American Heritage Dictionary 4
(pĕnˈə)
noun pl. pen·nae (pĕnˈē) A contour feather of a bird, as distinguished from a down feather or a plume.
Related Forms:
- pen·naˈceous (pĕ-nāˈshəs) adjective
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