/see'euh neez", -nees"/ , adj., n., pl. Sienese .
adj.
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.
n.
3. an inhabitant of Siena.
[ 1750-60; SIEN(A) + -ESE ]