Lewis & Short

complōrātus (conp-), ūs, m. [comploro], i. q. comploratio, a loud, violent moaning, lamentation, etc., esp. of several persons (only in Liv.): familiarum, Liv. 22, 55, 7; 23, 42, 5: justo conploratu prosequi mortuos, id. 25, 26, 10.