Pronunciation: (sOO"pur-graf'iks), [key]
—n. (used with a sing. or pl. v.)
large-scale painted or applied decorative art in bold colors and typically in geometric or typographic designs, used over walls and sometimes floors and ceilings to create an illusion of expanded or altered space.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.