petroglyph
/ˈpɛtrəˌɡlɪf/
noun
- A rock carving, especially one made by ancient peoples, often depicting animals, people, or symbols.
- The petroglyph of a bison was etched into the sandstone cliff.
- Archaeologists study petroglyphs to learn about the beliefs and daily life of ancient cultures.
- The canyon walls are covered with petroglyphs carved by Native Americans hundreds of years ago.