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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.


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


(ˈpɛn ə)

n., pl. pen•nae (ˈpɛn i)
a contour feather, as distinguished from a down feather.
[< Latin: feather. See pen1]
References in periodicals archive ?
Three other studies (Bobak and Leon 1999b; Chay and Greenstone 1999; Penna and Duchiade 1991) reported nonsignificant associations.
When Penna was based in France in the two previous campaigns, Flying Water's successes had included the 1,000 Guineas, Champion Stakes and the Jacques le Marois.
Della Penna has shown at several galleries, including the Arts Center in St.
The couple said Penna was on vacation when the letters were published.
But, Penna said, if a three-tiered plan would be implemented (i.
Congrats, can't wait to meet the newest baby Penna ANDREA ROCHE yesterday
Katie Price could be about to marry for the third time after reports her Argentinian boyfriend Leandro Penna has bought her an engagement ring.
Penna met Katie, 33, - also known as Jordan - at Sir Elton John's Oscars party in February and had declared he wanted to marry her.
Penna suggested the child was injured when she fell off a bed in a room at Quality Inn and Suites, 50 Oriol Drive, where he, Alicia Ervin and Ms.
Romano PENNA (a cura di), Le origini del cristianesimo.