Lament, v. t. [imp. & p. p. Lamented; p. pr. & vb. n. Lamenting.]
To mourn for; to bemoan; to bewail. One laughed at follies, one lamented crimes. Dryden.
Syn. -- To deplore; mourn; bewail. See Deplore.
2 other Webster entries under this spelling
Lament, v. i.
To express or feel sorrow; to weep or wail; to mourn. Jeremiah lamented for Josiah. 2 Chron. xxxv. 25. Ye shall weep and lament, but the world shall rejoice. John xvi. 20.
Lament, n.
1. Grief or sorrow expressed in complaints or cries; lamentation; a wailing; a moaning; a weeping. Torment, and loud lament, and furious rage. Milton.
2. An elegy or mournful ballad, or the like.
Shades of meaning
Fernald has no entry of its own for lament; he lists it under mourn.
He lists it without comment; the entries above explain its neighbors.