sienna (sɪˈɛnə) ![]() | |
| —n | |
| 1. | a natural earth containing ferric oxide used as a yellowish-brown pigment when untreated (raw sienna) or a reddish-brown pigment when roasted (burnt sienna) |
| 2. | See also burnt sienna the colour of this pigment |
| [C18: from Italian terra di Siena earth of | |
| a fool or simpleton; ninny. |
| a scrap or morsel of food left at a meal. |