▪ I.† vallObs.—1 [ad. L. vall-is.] A valley. 1611Chapman Iliad iv. 479 As from hils, raine waters headlong fall, That all waies eate huge Ruts, which, met, in one bed, fill a vall With such a confluence of streames. ▪ II.vall southern dial.var. fall v.; obs.Sc.f. wall n., waw n., well n.