The streets were exceedingly large, well paved,
having many vaults and conveyances under them for
sullage. --Evelyn.
2. That which sullies or defiles. [Obs.]
It is the privilege of the celestial luminaries to
receive no tincture, sullage, or difilement from the
most noisome sinks and dunghills here below.
--South.
3. (Founding) The scoria on the surface of molten metal in
the ladle.
4. (Hydraul. Engin.) Silt; mud deposited by water.
{Sullage piece} (Founding), the sprue of a casting. See
{Sprue}, n., 1
(b) .