A dish or plate of metal or earthenware; a patella.
- See paten.
- A thin greenish layer, usually basic copper sulfate, that forms on copper or copper alloys, such as bronze, as a result of corrosion.
- The sheen on any surface, produced by age and use.
- A change in appearance produced by long-standing behavior, practice, or use: a face etched with a patina of fine lines and tiny wrinkles.