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pin·na
 pinna
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- pronunciation:
- pI
n
- features:
- Word Combinations (noun)
| part of speech: |
noun |
| inflections: |
pinnae, pinnas |
| definition 1: |
any of the leaflets of a pinnate leaf such as that of a fern.
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| definition 2: |
in biology, a feather, wing, fin, or flipper.
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| definition 3: |
the auricle or external portion of the ear.
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| derivation: |
pinnal (adj.) |
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