pinna

n. feather; wing; fin; external part of the ear, auricle (Anatomy)

The pinna (Latin for feather) is the visible part of the ear that resides outside of the head (this may also be referred to as the auricle or auricula).
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Pinna /pin·na/ auricle.pin´nal pin·na n. pl. pin·nae See auricle. pin nal adj. pinna, n See auricle. pinna, n the external ear. [more]Pinna - Community and Resources

Noun
1. division of a usually pinnately divided leaf
(synonym) pinnule
(hypernym) leaflet
2. the externally visible cartilaginous structure of the external ear
(synonym) auricle, ear
(hypernym) cartilaginous structure
(hyponym) cauliflower ear
(part-holonym) external ear, outer ear
(part-meronym) earlobe, ear lobe

n. fin, flipper, paddle