Graf·fi·ti n. pl.
  1. Inscriptions, figure drawings, etc., found on the walls of ancient sepulchers or ruins, as in the Catacombs, or at Pompeii.
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  graffiti
       n : a rude decoration inscribed on rocks or walls [syn: graffito]
  graffito
       n : a rude decoration inscribed on rocks or walls [syn: graffiti]
       [also: graffiti (pl)]