Meaning of cumulative evidence

cu'mulative ev'idence

Pronunciation: [key]
  1. evidence of which the parts reinforce one another, producing an effect stronger than any part by itself.
    1. testimony repetitive of testimony given earlier.
    2. evidence that confirms or adds to previous evidence.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.