What does the word guffaw mean?

Usage examples for guffaw

  1. Now he was ready to faint when a loud guffaw, which echoed from one end of the horrible place to the other, greeted his timid request. – The League of the Scarlet Pimpernel by Baroness Orczy
  2. Whereupon Capuzzi, after measuring me from top to toe, burst out in a guffaw of contempt, and declared that he never had any idea that such lofty thoughts could haunt the brain of a paltry barber. – Weird Tales. Vol. I by E. T. A. Hoffmann
  3. There was a guffaw from the listeners. – The Dop Doctor by Clotilde Inez Mary Graves