1849 E. J. Sabine tr. A. von Humboldt I. 201 I cannot believe that all the rock engravings,..are to be regarded as their work.
1920 H. G. Wells I. xvii. 126/1 From rock engravings we may deduce the theory that the desert was crossed from oasis to oasis.
2009 (Nexis) 5 Feb. 9 The discovery of more than 50 ancient rock engravings in Tonga has excited archeologists.