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Pinna (genus)
WordNet
noun
(1) The externally visible cartilaginous structure of the external ear
(2) Division of a usually pinnately divided leaf
WiktionaryText
Noun
- The visible part of the ear that resides outside of the head, the auricle.
- A leaflet or primary segment of a pinnate compound leaf.
- A feather, wing, fin, or other similar appendage.