n, dol-]
| a structure usually regarded as a tomb, consisting of two or more large, upright stones set with a space between and capped by a horizontal stone. |

dol·men (dōl'mən, dŏl'-) n. See portal tomb. [French, from Breton *taolvean : *taol, alteration (influenced by taol, table) of tol, key + men, stone; see menhir.] |
| portal tomb 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. Also called dolmen. |