1. (n.) Drainage of filth; filth collected from the street or highway; sewage.

2. (n.) That which sullies or defiles.

3. (n.) The scoria on the surface of molten metal in the ladle.

4. (n.) Silt; mud deposited by water.

alluvion alluvium ashes brand calx carbon charcoal cinder cinders clinker clinkers coal coals coke coom deposition deposits diluvium draff dregs dross ember embers feces froth fume fumes grounds lava lees loess moraine offscum precipitate precipitation reek scoria scum sediment settlings silt sinter slag smoke smudge smut soot sublimate sullage