ululō āvī, ātus, āre VL-, to howl, yell, shriek, wail, lament loudly: canes, V.: summoque ulularunt vertice Nymphae, V.: Canidia ululans, H.: Tisiphone thalamis ululavit in illis, O.: ululanti voce canere.

—Poet.: plangoribus aedes Femineis ululant, resound, V.: Hecate ululata per urbīs, shrieked, V.