/ˈpɪnə/
OriginFrom Latin pinna (“dorsal fin; wing, feather”). Doublet of pen, penna, and panne.
- 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.
Formspinnas(plural) · pinnae(plural)