[pe-truh-glif] /ˈpɛ trəˌglɪf/
a drawing or carving on rock, made by a member of a prehistoric people.
a drawing or carving on rock, esp a prehistoric one
1870, from French pétroglyphe, from Greek petra “rock” (see petrous) + glyphe “carving” (see glyph).
[pe-truh-grad; Russian pyi-truh-graht] /ˈpɛ trəˌgræd; Russian pyɪ trʌˈgrɑt/ noun 1. former name (1914–24) of (def 2). /ˈpɛtrəʊˌɡræd; Russian pɪtraˈɡrat/ noun 1. a former name (1914–24) of Saint Petersburg
[pe-truh-gram] /ˈpɛ trəˌgræm/ noun 1. a drawing or painting on rock, especially one made by a member of a prehistoric people.
[pe-truh-graf, -grahf] /ˈpɛ trəˌgræf, -ˌgrɑf/ noun 1. . noun a rock inscription or painting