"a prehistoric megalithic tomb typically having two large upright stones and a capstone"@en-us . . "0"^^ . "0"^^ . . "103103179"@en-us . "cromlech"@en-us . . "103220237"^^ . "portal tomb"@en-us . . "03220237-n"^^ . . "dolmen"^^ . . . "dolmen"@en-us . . . "a prehistoric megalithic tomb typically having two large upright stones and a capstone"@en-us . . . .