Graffiti

n. pl.	1.	Inscriptions, figure drawings, etc., found on the walls of ancient sepulchers or ruins, as in the Catacombs, or at Pompeii.
	2.	any writings or drawings on a surface in a public place, placed there without authorization of the owner of the object on which it is written. Such graffiti are usually unwelcome, and are considered as form of vandalism.

Noun

1.

graffiti - a rude decoration inscribed on rocks or walls Synonyms: graffito

Graffiti - Handwriting recognition software for the Newton and Zoomer which recognises symbols that aren't necessarily letters. This gives greater speed and accuracy. It was written by Berkeley Softworks.

decoration, graffito, ornament, ornamentation