Lewis & Short

col-lā̆crĭmo (conl- and -lacrŭmo), āvi, 1, v. n. and a., to weep together or very much, to bewail, deplore (rare).

      1. a. Neutr.: simul omnes collacrumarunt, Plaut. ap. Gell. 1, 24, 3; Ter. And. 1, 1, 82: conplexus me senex collacrimavit, Cic. Rep. 6, 9, 9: collacrimantes suum patriaeque casum, Liv. 26, 14, 4.
      2. b. Act.: histrio casum suum toties collacrimavit, Cic. Sest. 58, 123.