Petrograph

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  petrograph \pet"ro*graph`\ (p[e^]t"r[-o]*gr[a^]f`), n.
     A carving or drawing on rock, especially one made by
     prehistoric humans; called also a {petrograph}.
     [PJC] Petrographic

From The Collaborative International Dictionary of English v.0.48 [gcide]:



  petroglyph \pet"ro*glyph`\ (p[e^]t"r[-o]*gl[i^]f`), n.
     A carving or drawing on rock, especially one made by
     prehistoric humans; called also a {petrograph}.
     [PJC]