echo noun \ˈek-(ˌ)ō\
plural ech·oes also echos
: the repetition of a sound that is caused by reflection of sound waves
: the sound that is due to reflection of sound waves
—echo verb, ech·oed echo·ing \ˈek-(ˌ)ō-iŋ, ˈek-ə-wiŋ\
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