Sullage piece (Founding), the sprue of a casting. See Sprue, n., 1 (b).
Sul"len (?), a. [OE. solein, solain, lonely, sullen; through Old French
fr. (assumed) LL. solanus solitary, fr. L. solus alone. See Sole, a.]
1. Lonely; solitary; desolate. [Obs.] Wyclif (Job iii. 14).