n. [ From an assumed Old French dim. of robe See Rubbish. ] 1. Water-worn or rough broken stones; broken bricks, etc., used in coarse masonry, or to fill up between the facing courses of walls. [ 1913 Webster ] Inside [ the wall ] there was rubble or mortar. Jowett (Thucyd.). [ 1913 Webster ] 2. 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. Brande & C. [ 1913 Webster ] 3. (Geol.) A mass or stratum of fragments or rock lying under the alluvium, and derived from the neighboring rock. Lyell. [ 1913 Webster ] 4. pl. The whole of the bran of wheat before it is sorted into pollard, bran, etc. [ Prov. Eng. ] Simmonds. [ 1913 Webster ]
Coursed rubble, rubble masonry in which courses are formed by leveling off the work at certain heights. [ 1913 Webster ]
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