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sienna: Meaning and Definition of
si•en•na
Pronunciation: (sē-en'u), [key] — n.
- a ferruginous earth used as a yellowish-brown pigmentor, after roasting in a furnace, as a reddish-brown pigment
- the color of such a pigment.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.