pinna

A leaflet or primary division of a pinnately compound leaf.

A feather, wing, fin, or similar appendage.

In anat. and zoöl.:

A feather. See penna.

A bird’s wing. See pinion.

A fish’s fin: the usual technical name.

Some wing-like or fin-like part or organ, as the flipper of a seal or cetacean.

The outer ear, which projects from the head; the auricle, or pavilion of the ear. See cut under ear.

The nostril, or wing of the nose.