What does the word testimonial mean?

Usage examples for testimonial

  1. There was great indignation at the Massachusetts Hospital when the result of Doctor Morton's case before Congress was known there, and soon after his return an effort was made to raise a substantial testimonial for him. – Cambridge Sketches by Frank Preston Stearns
  2. The book contains many of the thousands upon thousands of testimonial letters received from men and women cured. – The Mayflower, January, 1905 by Various