from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A special clay containing iron and manganese oxides, used as a pigment for oil and watercolor painting.
  • n. Raw sienna.
  • n. Burnt sienna.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. a form of clay containing iron and manganese.
  • n. a pigment with a reddish-brown colour.
  • n. a light reddish-brown colour.
  • adj. having a reddish-brown colour.

from the GNU version of the Collaborative International Dictionary of English

  • n. 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.

from The Century Dictionary and Cyclopedia

  • n. A ferruginous ocherous earth, fine and smooth, used as a pigment in both oil and water-color painting.
  • n. The color of sienna pigment.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. an earth color containing ferric oxides; used as a pigment


Short for terra-sienna, from Italian terra di Sienna, earth of Siena, after Siena .
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Italian terra di Sienna, "earth of Siena", Siena being the most notable Renaissance location of the clay (Wiktionary)



Log in or sign up to get involved in the conversation. It's quick and easy.