Clango, clangis, clanxi, clangere. To sowne a trumpet: to crye like an Egle.Tuba clangens. Val Flac. A trumpet sowning.
Clangor, clangôris, m g Virg.The sowue of a trumpet: the cry of geese or other like birdes.Clangor anserum Col. Clangor fulicæ. Plin. Blandus clangor. Claud. de phœmce. The sweete cry.Halari clangore sonant grues.Stat.Crunke.Luctisici clangores tubæ.Stat. Raucus clangor. Cic.Sæuus clangor.Val. Flac.Tremulus clangor.Cic.Warbling sound. Dare clangorem Sil. de aquila To cry.Increpuit clangor murmure. Sil. Mugire per æthera tubæ clangor dicitur.Virg.Quatere magnis clangoribus alas.Virg.To make a great noyse with clapping of their winges.
Lewis and Short: Latin dictionary
clango, no perf., ĕre, 3, v. n. [kindred with crocio, glocio; cf. clamo and kla/zw], to clang, to sound, resound (rare; only in ante-class. and post-Aug. poets): crepitu clangente, Att. ap. Non. p. 463, 16: horrida clangunt signa tubae, Stat. Th. 4, 342; cf.: luctificum clangente tubā, Val. Fl. 3, 349: clangunt aquilae, Auct. Carm. Phil. 28.