burrstone
[ bur-stohn ]
/ ˈbɜrˌstoʊn /
noun
Words nearby burrstone
Definition for burrstone (2 of 2)
burstone
or buhr·stone, burr·stone
[ bur-stohn ]
/ ˈbɜrˌstoʊn /
noun
any of various siliceous rocks used for millstones.
a millstone of such material.