[n] a very loud utterance (like the sound of an animal); "his bellow filled the hallway"
[n] United States novelist (born in Canada in 1915)
[v] shout loudly and without restraint
[v] make a loud noise, as of animal; "The bull bellowed"
bawl, bellowing, holla, holler, hollering, hollo, holloa, roar, roar, roaring, Saul Bellow, yowl