a very loud utterance (like the sound of an animal); "his bellow filled the hallway" United States novelist (born in Canada in 1915) make a loud noise, as of animal; "The bull bellowed
If someone bellows, they shout angrily in a loud, deep voice. `I didn't ask to be born!' she bellowed She prayed she wouldn't come in and find them there, bellowing at each other He bellowed information into the mouthpiece of his portable telephone. Bellow is also a noun. I was distraught and let out a bellow of tearful rage