noun
Usage: usually capitalized D
Etymology: after Craig-y-Dinas, crag near Neath river, south Wales, where it is found
: a disintegrated sandstone formerly used for making refractory brick
noun
Usage: usually capitalized D
Etymology: after Craig-y-Dinas, crag near Neath river, south Wales, where it is found
: a disintegrated sandstone formerly used for making refractory brick
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012