noun
Etymology: from Washita ( Ouachita ) river, southwest Arkansas
: a porous variety of novaculite used especially for sharpening woodworking tools
noun
Etymology: from Washita ( Ouachita ) river, southwest Arkansas
: a porous variety of novaculite used especially for sharpening woodworking tools
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012