definition of
bellow

[1] #1 bellow v. [bawl] shout loudly and without restraint. wn

[2] #2 bellow n. [bellowing, holla, holler, hollering, hollo, holloa, roar, roaring, yowl] a very loud utterance (like the sound of an animal); "his bellow filled the hallway". wn

[3] #3 bellow n. [Bellow, Saul Bellow, Solomon Bellow] United States author (born in Canada) whose novels influenced American literature after World War II (1915-2005). wn

[4] #4 bellow v. [roar] make a loud noise, as of animal; "The bull bellowed". wn