Dradge

n.1.(Min.) Inferior ore, separated from the better by cobbing.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
Head waiter Carter McNeill takes orders from Renfrewshire Council Children's Services workers Rebecca Scullion, Wilma Leburn, Lauren Johnston and Jessica Dradge