What is another word for dolmen?
Pronunciation: [dˈɒlmɛn] (IPA) 
Dolmens are ancient structures found mainly in Europe and Asia, consisting of two or more large stones placed horizontally on top of upright ones. They are also known as portal tombs, cromlechs, and chambered cairns. The term "portal tomb" refers to their entrance being either partially or wholly covered, while "cromlech" describes the circle of standing stones around the dolmen. "Chambered cairn" is a term used in Scotland and Ireland, where the dolmen is covered by a cairn of stones. Other synonyms for dolmen include "trepied" in French, meaning "tripod", "Hünengrab" in German or "giant's grave", and "dysser" in Danish, meaning "table".
