Definitions for "Petroglyphs"
Pictures drawn on rocks by indigenous people thousands of years ago that depict environmental conditions and cultural practices from everyday life at that time. The reason for the Petroglyph National Monument was to protect thousands of petroglyphs drawn on volcanic rock on the western edge of Albuquerque, New Mexico.
pictures on rock made by pecking or carving the rock surface.
ancient pictures that are cut into stone.