kistvaen

Traces of old habitation abound; there are many barrows and one perfect kistvaen.

And in their sleep, Lludd folded the covering around them, and in the securest place he had in Snowdon, he hid them in a kistvaen.

The Leacht seems to have been a larger-sized kistvaen, a cromlech or dolmen, but a single upright stone was also called a leacht.

The Cnoc was a rounded, sugar-loaf mound of earth, and the Duma was a similar mound raised over a kistvaen.

One ruined cairn with a kistvaen in it is still called "The Crock of Gold," but probably bronze was the metal chiefly found.