1. (

• echo ,
• reverberation ,
• sound_reflection ,
• replication

) the repetition of a sound resulting from reflection of the sound waves; "she could hear echoes of her own footsteps" ;

2. (

• repercussion ,
• reverberation

) a remote or indirect consequence of some action; "his declaration had unforeseen repercussions"; "reverberations of the market crash were felt years later" ;