I. ech ‧ o 1 /ˈekəʊ $ ˈekoʊ/ BrE AmE verb
1 . [intransitive] if a sound echoes, you hear it again because it was made near something such as a wall or hill:
The sound of an engine echoed back from the thick forest.
echo through/round
He could hear eerie noises echoing through the corridors.
2 . [intransitive] if a place echoes, it is filled with sounds that are repeated or are similar to each other
echo with
The house echoed with the sound of children’s voices.
3 . [transitive] literary to repeat what someone else has just said:
‘You bet,’ she said, echoing his words.
4 . [transitive] to repeat an idea or opinion because you agree with it:
The article simply echoed the NRA’s arguments against gun control.
II. echo 2 BrE AmE noun ( plural echoes ) [countable]
[ Date: 1300-1400 ; Language: Old French ; Origin: Greek ]
1 . a sound that you hear again after a loud noise, because it was made near something such as a wall:
Her scream was followed by a loud echo.
2 . something that is very similar to something that has happened or been said before
echo of
The article contains echoes of an earlier report.
This idea finds an echo in many African countries.