Hypertext Webster Gateway: "penna"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Penna \Pen"na\, n.; pl. {Penn[ae]}. [L.] (Zo["o]l.)
A perfect, or normal, feather.
Additional Hypertext Webster Gateway Lookup
Gateway by dict@stokkie.net
stock only wrote the gateway and does not have any control over the contents;
see the Webster Gateway FAQ,
and also the Back-end/database links and credits.