• Webster's Revised Unabridged Dictionary
    • n Penna pĕn"nȧ (Zoöl) A perfect, or normal, feather.
    • ***
Century Dictionary and Cyclopedia
    • n penna In ornithology, a feather; a plume; specifically, a contour-feather, as distinguished from a down-feather or plumule; especially, one of the large stiff feathers of the wings or tail; one of the remiges or rectrices. See feather.
    • n penna Same as pen-case.
    • ***
Chambers's Twentieth Century Dictionary
    • n Penna pen′a a feather, esp. one of the large feathers of the wings or tail
    • ***


Webster's Revised Unabridged Dictionary
Chambers's Twentieth Century Dictionary


In literature:

Nec tenui penna, hey?
"The History of Pendennis" by William Makepeace Thackeray
Alessandro was created Duke of Civita di Penna, and sent to take the first place in the city.
"Sketches and Studies in Italy and Greece" by John Addington Symonds
After some farther discourse, all the officers belonging to Gonzalo left the tent, leaving him and Penna alone together.
"A General History and Collection of Voyages and Travels, Vol. 5" by Robert Kerr
Other nouns are Common: as, penna, virtus.
"New Latin Grammar" by Charles E. Bennett
Nam pennas in ordine ponit et veras alas facit.
"Latin for Beginners" by Benjamin Leonard D'Ooge
Clifford, Susquehanna Co., Penna.
"The People's Common Sense Medical Adviser in Plain English" by R. V. Pierce
Alessandro was created Duke of Civita di Penna, and sent to take the first place in the city.
"Sketches and Studies in Italy and Greece, Complete" by John Symonds
JAMES M. TRIPP, Waverly, Penna.
"Cluthe's Advice to the Ruptured" by Chas. Cluthe & Sons
Dr. Zimmerman: We welcome members of the Penna.
"Northern Nut Growers Association Report of the Proceedings at the Twenty-Fourth Annual Meeting" by Northern Nut Growers Association
John M. Harman, of Hazleton, Penna., was the first signal-sergeant to be appointed.
"The Delta of the Triple Elevens" by William Elmer Bachman

In poetry:

Ensam är du ej i cellen: tyst, osynlig, vid din sida
dväljs ett sändebud från honom, vid vars fot eoner bida.
Det är han, som styr din penna, där hon går så segerrik
för att rädda Platos himmel och Perikles' republik.
"I Klostercellen" by Abraham Viktor Rydberg

In news:

Some lessons emerge from election drama in Penna .
The phone is rarely picked up at Penna .
Philanthropist's Americana collection to benefit Penna charities.
Melanie Penna and Dario Priolo.
Melanie Penna has been promoted to senior vice president of Human Resources Service Delivery for Comcast Cable.
Giuseppe Della Penna , Daniele Magazzeni, Fabio Mercorio, Benedetto Intrigila.
Penna Flame Industries (Pittsburgh, Pa.) had added induction hardening to its list of surface hardening capabilities.
We got the low-down on this look Nick Penna, owner and lead stylist of "Best of Boston" SalonCapri.
Some lessons emerge from election drama in Penna.
Philanthropist 's Americana collection to benefit Penna charities.
Clarkston High School juniors and seniors invaded Depot Park for photos before heading off to Penna's in Sterling Heights for prom , June 2.
Nick Penna, owner and lead stylist at SalonCapri in Boston, has some suggestions for clients who want to transition their style into a new season.
Rendell plans to spend $20 million on centers devoted to two longtime Penna.

In science:

By pushing the MHD numerical simulations to their limits, Shafee et al. (2006) and Penna et al. (2010) calculated a thin, H/r . 0.1, disk-like accretion flow, and demonstrated that its inner edge torque is in fact small.
Slim accretion disks around black holes
The general relativistic MHD models that are currently in use (e.g., Penna et al. (2010)) often make use of dimensionless quantities and do not include detailed radiation transfer.
Slim accretion disks around black holes
We also used a third version where, as in the Penna ageing model, deaths and births are not separated into two consecutive loops but combined .
Simulation of stem cell survival in small crypts
Finally, Schw¨ammle also used bit-strings, but to describe biological ageing through the Penna model.
Birth, survival and death of languages by Monte Carlo simulation
Abstract: This review deals with computer simulation of biological ageing, particularly with the Penna model of 1995.
The Penna Model of Biological Aging