n : a very loud utterance (like the sound of an animal); "his
bellow filled the hallway" [syn: bellowing, holla, holler, hollering, hollo, holloa, roar, roaring, yowl]
v 1: shout loudly and without restraint [syn: bawl]
2: make a loud noise, as of animal; "The bull bellowed" [syn: roar]