What does the word bellow mean?

Usage examples for bellow

  1. Close the wings- advance the center- Engineers point well your guns- Clap the matches, let the rent air, Bellow to Britannia's sons." – The Battle of Bunkers-Hill by Hugh Henry Brackenridge
  2. The bellow of the thunder was terrific- and while the four boatmen heaved with their paddles and encouraged each other with shrill cries, in a solid line down swept the first sheet of rain. – Gold Seekers of '49 by Edwin L. Sabin
  3. Then, with a roar, he started in to bellow, " The union forever- hooraw, boys hooraw!" – The Plunderer by Roy Norton