What is the meaning of Pinna?

The visible part of the ear in most therians that resides outside of the head, the auricle; outer ear excluding the ear canal.

A leaflet or primary segment of a pinnate compound leaf.

A feather, wing, fin, or other similar appendage.

genitive singular of pind

spoke (of a wheel, e.g. in a bicycle)

tiller

sound post (dowel inside an instrument of violin family)

point (unit of scoring in a game or competition)

temper, nerve, fuse (in the sense of losing one's temper)

percent

The visible part of the ear in most therians that resides outside of the head, the auricle; outer ear excluding the ear canal.

A leaflet or primary segment of a pinnate compound leaf.

A feather, wing, fin, or other similar appendage.

alternative form of penna (“wing, feather”)

a fin

a merlon, cop (the raised part of a parapet or battlement)

a peg, pin, bolt

pen (writing instrument)

alternative form of pinne

feather

pen

fin

Source: wiktionary.org