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

2. (n.) 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.

3. (n.) A mass or stratum of fragments or rock lying under the alluvium, and derived from the neighboring rock.

4. (n.) The whole of the bran of wheat before it is sorted into pollard, bran, etc.

aa abyssal rock basalt bedrock block lava brash breccia clamjamfry conglomerate crag debris druid stone dust festooned pahoehoe gneiss granite igneous rock junk lava limestone litter living rock lumber magma mantlerock metamorphic rock monolith pahoehoe pillow lava porphyry pudding stone raff regolith riffraff rock ropy lava rubbish rubblestone sandstone sarsen schist scoria scrap scree sedimentary rock shelly pahoehoe shoddy stone talus trash truck tufa tuff