The Collaborative International Dictionary
Tilestone
Tilestone \Tile"stone`\, n.
(Geol.) A kind of laminated shale or sandstone belonging to some of the layers of the Upper Silurian.
A tile of stone.
Wiktionary
tilestone
n. 1 (context geology English) A kind of laminated shale or sandstone belonging to some of the layers of the Upper Silurian. 2 A tile made of stone.
Usage examples of "tilestone".
Seminarians and nuns sat cross-legged on the tilestones, with scared, shaved faces and shaved heads.