Decorative forms or embellishments that are an integral part of a building or object but are not essential to its structure. Refers also to decorative objects attached to or worn by humans and animals. For objects signifying
an honor bestowed upon an individual, usually worn on the person, see "decorations." Regarding techniques of embellishment in general, see "decoration (process)."

Source: AAT

http://vocab.getty.edu/page/aat/30026679