Found 2 items, similar to sienna.
English → English (WordNet) Definition: sienna sienna n : an earth color containing ferric oxides; used as a pigment
English → English (gcide) Definition: Sienna Sienna \Si*en"na\, n. [It. terra di Siena, fr. Siena in Italy.] (Chem.) Clay that is colored red or brown by the oxides of iron or manganese, and used as a pigment. It is used either in the raw state or burnt. [1913 Webster] Burnt sienna, sienna made of a much redder color by the action of fire. Raw sienna, sienna in its natural state, of a transparent yellowish brown color. [1913 Webster]