Dictionary 1. (n.) The matter which subsides to the bottom, from water or any other liquid\; settlings; lees; dregs.2. (n.) The material of which sedimentary rocks are formed. Thesaurus alluvion alluvium ash bottoms cinder clinker debris deposit deposition deposits detritus diluvium draff dregs drift dross ember feces froth grounds lees loess moraine offscum precipitate precipitation remains residue residuum scoria scree scum sedimentate settlings silt sinter slag smut soot sublimate |