rubble

A loose mass of angular fragments of rock or masonry crumbled by natural or human forces.

Irregular fragments or pieces of rock used in masonry.

The masonry made with such rocks.

Rough stones of irregular shapes and sizes, broken from larger masses either naturally or artificially, as by geological action, in quarrying, or in stone-cutting or blasting.

Masonry of rubble; rubble-work.

By extension, any solid substance in irregularly broken pieces.

The whole of the bran of wheat before it is sorted into pollard, bran, etc. [Prov. Eng.]

Water-worn or rough broken stones; broken bricks, etc., used in coarse masonry, or to fill up between the facing courses of walls.

Rough stone as it comes from the quarry; also, a quarryman’s term for the upper fragmentary and decomposed portion of a mass of stone; brash.