lāmentātĭo (noun F) : lamentor
* A wailing, moaning, weeping, lamenting, lamentation (class.; cf.: querela, questus, lamentum, plangor, planctus): lamentatio (est) aegritudo, cum ejulatu,Cic. Tusc. 4, 8, 18: aegritudo, lacrumae, lamentatio,Plaut. Merc. 5, 2, 29: lugubris fletusque maerens,Cic. Tusc. 1, 13, 30: plangore et lamentatione complerimus forum,id. Or. 38, 131; Cic. Verr. 2, 4, 21, § 47: cottidianae virginis,id. Font. 17, 47: (funeris),id. Leg. 2, 23, 59; Plin. 8, 7, 7, § 21: nox lamentationis,Vulg. Jer. 9, 19.
* Transf., plur. (in eccl. Lat.): Lamentationes,title of the book of afflictions, written by the prophet Jeremiah,Vulg. 2 Paral. 35, 25 al.

s. TLL