Wiktionary
border stones
n. (border stone English)
Usage examples of "border stones".
Sullen coals lay heaped in an immense hearth which sprawled across the very center of the room like a child's playbox full of sand, with marble border stones enclosing a space a good twelve inches deep and at least four feet on each side, sixteen square feet given over to the coals.
Carefully, she propped it against the rail, then walked down, stepping over the border stones until she could reach Tucker.
The red granules within the square formed by the five-cubit-long sandstone border stones shifted, slowly rearranging themselves.
The border stones march right along the crest of those hills behind the village.