πάταγος

A. clatter, crash, as of trees falling, π. δέ τε ἀγνυμενάων (sc. γίγνεται) Il. 16.769 ; π. δέ τε γίγνετ’ ὀδόντων chattering of the teeth, 13.283 ; plash of a body falling into water, ἐν δ’ ἔπεσον μεγάλῳ π. 21.9, cf. Pi. P. 1.24 ; rattle or crash of thunder, Ar. Nu. 382, cf. Arist. Mu. 395a13 ; π. ἀνέμων D.H. Comp. 16 ; rumbling caused by flatulence, Hp. VM 22 ; but never of the human voice (exc. in late Greek, βληχᾶσθαι καὶ κρώζειν ἐν ὑποκρίσει τὸν ἔξηχον π. Porph. Chr. 35) : hence βοῇ καὶ πατά ῳ χρεώμενοι means, with a great shouting and clashing of arms, Hdt. 3.79, cf. 7.211 ; π. δορός A. Th. 103 (lyr.) ; τόξων S. Tr. 518 (lyr.) ; ἀσπίδων E. Heracl. 832, Ar. Ach. 539 ; π. χύτρειος Id. Lys. 329 (lyr.). (Onomatop. word.)
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project