pinna in English
- pinna ⇄ pinna, noun, pl.pinnae,pinnas.
1. (Zoology.)
a. a feather, wing, or winglike part.
b. a fin, flipper, or similar part.
2. (Anatomy.) the auricle of the ear.
3. (Botany.) one of the primary divisions of a pinnate leaf, espenglish