Dictionary definition · Bellow
noun
- United States author (born in Canada) whose novels influenced American literature after World War II (1915-2005)
- a very loud utterance (like the sound of an animal)"his bellow filled the hallway"
verb
- shout loudly and without restraint
- make a loud noise, as of animal"The bull bellowed"
Source: Open English WordNet (CC BY 4.0).