portal tomb
- n a prehistoric megalithic tomb typically having two large upright stones and a capstone
portal tomb :
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- Stone Age tomb unearthed in Northern Ireland
The collapse of Tirnony Dolmen, a portal tomb in Maghera, Northern Ireland, is providing archaeologists with a rare opportunity to uncover the secrets of the 5,000- 6,000-year-old structure.
June 29, 2013 - Irish Central