Abbott-Smith Manual Greek Lexicon
βροντή (G1027)
12 βροντή , -ῆς, ἡ , [in LXX for רַעַם ;] thunder : Mk 3:17 , Jo 12:29 , Re 4:5 6:1 8:5 10:3 , 4 11:19 14:2 16:18 19:6 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain