| 1. | a film or incrustation, usually green, produced by oxidation on the surface of old bronze and often esteemed as being of ornamental value. |
| 2. | a similar film or coloring appearing gradually on some other substance. |
| 3. | a surface calcification of implements, usu. indicating great age. |
pat·i·na 1 (pāt'n-ə) n. pl. pat·i·nae (pāt'n-ē) See paten. [Medieval Latin, from Latin, plate; see paten.] |