Pronunciation: (sē"u-nēz', -nēs'), [key]
—adj., n., pl. -ese.
1. of or pertaining to Siena or its people.
2. pertaining to or designating the style of painting developed in Siena during the late 13th and 14th centuries, characterized by a use of Byzantine forms and iconography modified by an increased three-dimensional quality, decorative linear rhythms, and harmonious, although sometimes ornamental, color.
an inhabitant of Siena.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.