Bel·low v. i. [imp. & p. p. Bellowed ; p. pr. & vb. n. Bellowing.]
  1. To make a hollow, loud noise, as an enraged bull.
  2. To bowl; to vociferate; to clamor.
  3. To roar; as the sea in a tempest, or as the wind when violent; to make a loud, hollow, continued sound.
     The bellowing voice of boiling seas.   --Dryden.
  bellowing
       n : a very loud utterance (like the sound of an animal); "his
           bellow filled the hallway" [syn: bellow, holla, holler,
            hollering, hollo, holloa, roar, roaring, yowl]