You searched for: “petroglyphs”
petroglyph (s) (noun), petroglyphs (pl)
A carving or a drawing on rocks that are usually made by prehistoric people or some individual: Allen, an anthropologist, found a petroglyph that had been chipped into a stone wall of a cave.
This entry is located in the following units: glypto-, glypt-, -glypha, -glyph, -glyphic, -glyphous + (page 3) petro-, petr-, petri-, peter- (page 3)