Dictionary.com

sienna

[ see-en-uh ]
/ siˈɛn ə /
Save This Word!

noun

a ferruginous earth used as a yellowish-brown pigment (raw sienna ) or, after roasting in a furnace, as a reddish-brown pigment (burnt sienna ).
the color of such a pigment.

QUIZZES

QUIZ YOURSELF ON “ITS” VS. “IT’S”!

Apostrophes can be tricky; prove you know the difference between it’s and its in this crafty quiz!
Question 1 of 12
On the farm, the feed for chicks is significantly different from the roosters’; ______ not even comparable.

Origin of sienna

1750–60; <Italian (terra di) Sien(n)a (earth of) Siena
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for sienna

sienna
/ (sɪˈɛnə) /

noun

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)
the colour of this pigmentSee also burnt sienna
C18: from Italian terra di Siena earth of Siena
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Get Online Help For Kids!