dolmen (dolmen)

[Also sometimes tolmen; = F. Sp. dolmen, consisting of one large unhewn stone resting on two or more unhewn stones placed erect in the earth: a term also fre quently used as synony mous with Const an tine Dolmen, Cornwall. cromlech . The name is sometimes given also to structures where several blocks are raised upon pillars so as to form sort of gallery. The most remarkable monument of this kind is probably that known as the Pierre Couverte,