The Collaborative International Dictionary
Buhrstone
Buhrstone \Buhr"stone`\, n. [OE. bur a whetstone for scythes.] (Min.) A cellular, flinty rock, used for mill stones. [Written also burrstone.]
Wiktionary
buhrstone
n. (alternative spelling of burrstone English)
Usage examples of "buhrstone".
Liethe hive at Kaiel-hontokae had been built within the buhrstone walls of an old whisky cellar.
His wounded left arm trapped beneath his own body, Tip floundered about with his free hand in the ground-up barley, making certain the great rumbling buhrstones didn't crush his fingers or arm as he searched through the flour for his saddlebags.