Noun

1. A violent oscillation or vibration

   The discomfort caused by the bat's reverberation surprised Tommy.

2. An echo, or a series of overlapping echos

   The reverberation that followed Marylin's shout filled the cavern.

3. The reflection of light or heat; a reflection in, or as though in, a mirror.

   Like the several reverberations of the same image from two opposite looking glasses.

4. (plural) An evolving series of effects resulting from a particular event; a repercussion

   Reverberations from the Vietnam war affect our society to this day.