Dictionary

pinna

noun pin·na \ˈpi-nə\

plural pin·nae \ˈpi-ˌnē, -ˌnī\ or pinnas

Definition of PINNA

a : a projecting body part (as a feather, wing, or fin)

b : the largely cartilaginous projecting portion of the external ear — see ear illustration

: a leaflet or primary division of a pinnate leaf or frond

See pinna defined for kids

New Latin, from Latin, feather, wing — more at pen

First Known Use: 1719

Medical Dictionary

noun pin·na \ˈpin-ə\

plural pin·nae \ˈpin-ˌē, -ˌī\ or pinnas

: the largely cartilaginous projecting portion of the external ear

—pin·nal \ˈpin-^əl\ adjective

Next Word in the Dictionary: pinnacePrevious Word in the Dictionary: pinn-All Words Near: pinna

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