an earth color containing ferric oxides; used as a pigment
"The artist selected raw sienna from his palette to mix a warm, reddish-brown tone for the landscape's soil."
A form of clay containing iron and manganese.
"The artist mixed water into the dry sienna to create a smooth, reddish-brown paste for painting the landscape."
having a reddish-brown colour.
"The old brick wall faded to a soft sienna under the autumn sun."
A female given name from English of modern usage from the sienna colour.
"Sienna arrived at the party wearing a vibrant red dress that perfectly matched her new nickname based on the famous earth pigment."
The word comes from the Italian phrase terra di Siena, meaning "earth of Siena." It refers to the famous red clay pigment originally mined near the city of Siena in Italy.