Webster’s Revised Unabridged Dictionary · 1913 Suillage Su′il·lage, n. [OF. souillage, soillage, fr. souiller, soiller. See Soil to stain, and cf. Sullage.] A drain or collection of filth. [Obs.] [Written also sulliage, and sullage.] Sir H. Wotton. ‹ Suicism Suilline ›