/berr"stohn'/ , n.
1. any of various siliceous rocks used for millstones.
2. a millstone of such material.
Also, buhrstone, burrstone . Also called buhr, burr .
[ BUR(R) 4 + STONE ]
/berr"stohn'/ , n.
1. any of various siliceous rocks used for millstones.
2. a millstone of such material.
Also, buhrstone, burrstone . Also called buhr, burr .
[ BUR(R) 4 + STONE ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012