pinna - noun 
pin·​na | \ ˈpi-nə \
plural pinnae\ ˈpi-ˌnē, -ˌnī \ or pinnas • a projecting body part (such as a feather, wing, or fin) • the largely cartilaginous projecting portion of the external ear • conducive to the inner ear, in which, with the judgment of other body parts — in flesh an...