[la.ment] vb [ME lementen, fr. MF & L; MF lamenter, fr. L lamentari, fr. lamentum, n., lament] vi (15c): to mourn aloud: wail ~ vt 1: to express sorrow, mourning, or regret for often demonstratively: mourn
2: to regret strongly syn see deplore
[2]lament n (1591) 1: a crying out in grief: wailing
2: dirge, elegy
3: complaint