Extended Strong's Greek Lexicon (Abbott-Smith based)
sound
Usage: ἦχος, -ου, ὁ (also in late and MGr., -εος, τό, Luk.21:25), [in LXX for הָמוֹן, etc. ;] __1. a noise, sound: Act.2:2; ἦ. θαλάσσης, Luk.21:25; σάλπιγγος, Heb.12:19 __2. a report: before πεφί, Luk.4:37.† (AS)