Quick Definition
ἦχος, ου, ὁ n.m. a sound, rumor
Strong's Definition
of uncertain affinity; a loud or confused noise ("echo"), i.e. roar; figuratively, a rumor
KJV Usage: fame, sound
UBS Dictionary of the Greek New Testament
noun, m./n. | -ου; ους | ἠχέω
14.75 · Physical Events and States · Sound
sound, noise any type of sound, tone, or noise other than human speech In a number of languages it will be essential to make a clear distinction between various types of sound referred to by ἦχος[a] . The sounds of a cymbal, a trumpet, and the sea are very frequently referred to by entirely different terms.
33.211 · Communication · Inform, Announce
report, news, word, information information concerning a person or an event
UBS Dictionary of the Greek New Testament © United Bible Societies, licensed CC BY-SA 4.0.
Thayer's Greek Lexicon
ἦχος [cf. Lat. echo, vor, Germ. sprechen, ete.; Vaniéek Ρ. 858], -ov, ὁ, and (Lk. xxi. 25 GL T Tr WH) τὸ ἦχος. τους (οἴ. W. 65 (64); [Β. 23 (20})17: Delitzsch on Heb. xii. 19 p. 638; Lor ἤχους may come fr. ἠχώ, -ovs, see esp. WH. App. Ρ. 158"; Mey. on Lk. as below]) ; 1. a sound, noise: Acts ii. 2; Heb. xii. 19; spoken of the roar of the sea’s waves, Lk. xxi. 25 GL T Tr WH. 2. rumor, report: περί twos, LK. iv. 37.
Mounce Concise Greek Dictionary
ἦχος ēchos 1x
sound, noise, Lk. 21:25*
Abbott-Smith Greek Lexicon
ἦχος, -ου, ὁ
(also in late and MGr., -εος, τό, Lk 21:25), [in LXX for חָמוֹן, etc.;]
a noise, sound: Ac 2:2; ἦ. θαλάσσης, Lk 21:25; σάλπιγγος, He 12:19.
a report: seq. περί, Lk 4:37.†
Liddell-Scott-Jones — Greek-English Lexicon
ἦχος (ēchos) — sound. ἦχος, ὁ, later form of ἠχή, [NT+4th c.BC+]; τεττίγων λιγὺν ἦ. [Refs]; παγᾶς [Refs 2nd c.BC+]; of the sound of words, opposed to sense, [Refs 4th c.BC+]; ἦ. ἐν ὠσί, or absolutely, ἦχοι, ἦχος, ringing in the ears, [Refs 5th c.BC+]
2. echo, [Refs 4th c.BC+]
3. Grammars, breathing, ἦχοι ὁ μὲν δασύς, ὁ δὲ ψιλός [Refs 4th c.BC+]
4. voice, τὸν ἦ. εὔτονον καὶ λαμπρὸν ἀποτελεῖ [Refs 1st c.AD+]. (ἦχος, τό, is found in [LXX+NT]