† ˈserrous,a.Obs.rare—1. [f. L. serra saw + -ous.] Resembling the action of a saw, saw-like. (Cf. serratic, serrine.) 1646Sir T. Browne Pseud. Ep. iii. xxv. 176 A serrous or jarring motion like that which happeneth while we blow on the teeth of a combe through paper.