adjective, noun, plural -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. |
| 3. | an inhabitant of Siena. |