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View synonyms for pinna

pinna

[ pin-uh ]

noun

, plural pin·nae [pin, -ee], pin·nas.
  1. Botany. one of the primary divisions of a pinnate leaf.
  2. Zoology.
    1. a feather, wing, or winglike part.
    2. a fin or flipper.


pinna

/ ˈpɪnə /

noun

  1. any leaflet of a pinnate compound leaf
  2. zoology a feather, wing, fin, or similarly shaped part
  3. another name for auricle
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


pinna

/ pĭnə /

, Plural pinnae pĭnē

  1. A leaflet or primary division of a pinnately compound leaf, especially of a fern frond.


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Other Words From

  • pinnal adjective
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Word History and Origins

Origin of pinna1

1660–70; < Latin: feather, wing, fin
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Word History and Origins

Origin of pinna1

C18: via New Latin from Latin: wing, feather, fin
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Example Sentences

A marked difference is noted in the size of the pinna of the ear in the various species.

He says that Tarentine muslins, woven from the filaments of the pinna dipped in the dye of the murex, rivalled those of Cos.

The fronds commonly fruit very fully, even the lowest pinna bearing sporangia.

The terminal pinna of the frond and the terminal segments of the pinnæ are considerably longer than the others.

They are found in an oyster which is something like the pinna, only less.

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pin moneypinnace