pinna meaning: definition, etymology

pinna

noun

/ˈpɪnə/

Etymology From Latin pinna (“dorsal fin; wing, feather”). Doublet of pen, penna, and panne.

Anatomy, Biology, Medicine, Natural sciences, Sciences, Zoology The visible part of the ear in most therians that resides outside of the head, the auricle; outer ear excluding the ear canal.

Biology, Botany, Natural sciences A leaflet or primary segment of a pinnate compound leaf.

Biology, Natural sciences, Zoology A feather, wing, fin, or other similar appendage.

Derived terms: pinnal, pinnaplasty, pinnate, pinniped, pinnule