pinna
[pin-uh]
noun, plural pin·nae [pin-ee] /ˈpɪn i/, pin·nas.
Botany. one of the primary divisions of a pinnate leaf.
Zoology.
- a feather, wing, or winglike part.
- a fin or flipper.
Anatomy. auricle(def 1a).
Origin of pinna
1660–70; < Latin: feather, wing, fin
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Related Words for pinna
brochure, pamphlet, flier, handout, handbill, plume, fringe, hand, vane, appendage, stabilizer, flipper, airfoil, circular, tract, shaft, fluff, crest, down, spikeExamples from the Web for pinna
Historical Examples of pinna
Pinna bullata, Swainson (Fig. 168), is also a well-known species.
The Ocean World:Louis Figuier
Gloves have been made from the byssal fibers of Pinna mixed with silk.
The Sea-beach at Ebb-tideAugusta Foote Arnold
They are found in an oyster which is something like the pinna, only less.
Pinna, a primary division with its leaflets of a bipinnate or tripinnate leaf.
The Elements of BotanyAsa Gray
It is covered by the auricular muscles, and by the base of the pinna of the ear.
Artistic Anatomy of Animalsdouard Cuyer
pinna
noun plural -nae (-niː) or -nas
Word Origin for pinna
C18: via New Latin from Latin: wing, feather, fin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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pinna
[pĭn′ə]
n. pl. pin•nae (pĭn′ē)
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
pinna
[pĭn′ə]
Plural pinnae (pĭn′ē) pinnas
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.