Lewis Short
lāmentor, ātus, 1
* V. dep. n. and a. [lamentum], to wail, moan, weep, lament (class.).
* Neutr.: lamentari, cruciari,Plaut. Mil. 4, 2, 40: quod nunc lamentari,id. Pers. 1, 3, 94: praeter ceteras lamentari,Ter. And. 1, 1, 94: lapides flere ac lamentari cogere,Cic. de Or. 1, 57, 245: Hebiliter lamentari,id. Tusc. 2, 21, 49; id. Phil. 12, 1, 2: ac plangere,Suet. Ner. 49: quid ego hic animo lamentor, Enn. ap. Don. Ter. Phorm. 5, 4, 2 (Ann. v. 210 Vahl.): Thetis quoque lamentando pausam fecit filio,Plaut. Truc. 4, 2, 18.
* Pass. (poet. and late Lat.; cf. lamento).—Part. perf. in pass. signif. (poet.), wept over, bewailed: fata per urbem Lamentata,Sil. 13, 711; so, Dindyma,resounding with lamentations,Stat. Th. 12, 224.
* Impers. pass.: maeretur, fletur, lamentatur diebus plusculis,App. M. 4, p. 157.
Charlton T. Lewis, Charles Short, A Latin Dictionary