Definitions for "Giornata"
The section of a fresco painting executed within a day. Giornata is the Italian term for daily work unit.
(plural: Giornate) - irregular shaped section that can be plastered and painted in one day. The shapes more or less follow the composition so adjoining Giornate do not not have obvious dividing lines in the finished work.
Adopted from the Italian term meaning "a day’s work," a giornata is the section of a fresco plastered and painted in a single day.