dial. [f. stem of brok-en: the ending appears to have a collective force.] ‘A Cumberland miners’ term for a breccia’ (Ure).
1855. J. Phillips, Man. Geol., 651. The word [Breccia] is Italian, and is matched by the Cumbrian term ‘Brockram.’
1878. F. Williams, Midl. Railw., 523. Not a bit of rock was found. The limestone rock and the brockram were gone.
