A dolmen in Brittany.
dolmen definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a Neolithic tomb or monument consisting of a large, flat stone laid across upright stones; cromlech
Origin: French ; from Breton taol, table plush men, stone
dolmen definition by American Heritage Dictionary
See portal tomb.
Origin: French, from Breton *taolvean : *taol, alteration (influenced by taol, table) of tol, key + men, stone; see menhir.