dolmen

Definition of Dolmen in English :

a prehistoric megalithic tomb typically having two large upright stones and a capstone

WordNet Lexical Database for English. Princeton University. 2010.

Dolmen

noun

1.

(in British archaeology) a Neolithic stone formation, consisting of a horizontal stone supported by several vertical stones, and thought to be a tomb

2.

(in French archaeology) any megalithic tomb

noun

a Neolithic tomb or monument consisting of a large, flat stone laid across upright stones; cromlech

n.

A Neolithic tomb consisting of two or more upright stones with a capstone, believed to have been buried in earth except for a central opening.