sullage

Etymology

Compare suillage, sulliage.

noun

1. The liquid discharges from kitchens, washbasins, toilets etc; sewage.
   The streets [were] exceedingly large, well paved, having many vaults and conveyances under them for the sullage.
2. Silt or sediment deposited from flowing water.
3. That which sullies or defiles.
   , "The Lineal Descent of Jesus of Nazareth from David by his Blessed Mother the Virgin Mary" It is the privilege of the celestial luminaries to receive no tincture, sullage, or defilement from the most noisome sinks and dunghills here below.
4. (metallurgy) The scoria on the surface of molten metal in the ladle.