What does the word concurrent mean?

Usage examples for concurrent

  1. Submitted to the rack, he bore its tortures without a groan; and all historians have accorded concurrent testimony to the patience and heroism which characterised the close of his wild and meteoric career. – Calderon The Courtier A Tale by Edward Bulwer-Lytton
  2. No doubt such advancement demands many favourable concurrent circumstances; but it may well be doubted whether the most favourable would have sufficed, had not the rate of increase been rapid, and the consequent struggle for existence severe to an extreme degree. – The Descent of Man and Selection in Relation to Sex, Vol. I (1st edition) by Charles Darwin