Wayment \Way"ment\, v. i. [imp. & p. p. {Waymented}; p. pr. & vb. n. {Waymenting}.] [OE. waymenten, OF. waimenter, gaimenter, guaimenter, from wai, guai, woe! (of Teutonic origin; see {Woe}) and L. lamentari to lament. See {Lament}.] To lament; to grieve; to wail. [Written also {waiment}.] [Obs.] Thilke science . . . maketh a man to waymenten. --Chaucer. For what boots it to weep and wayment, When ill is chanced? --Spenser.