1. a person or animal that bellows; one who shouts or cries out loudly

Examples

• The drill sergeant was a notorious bellower who could be heard across the entire parade ground.
• The bull was an aggressive bellower, announcing its presence with deep, resonant calls.
• During the protest, several bellowers chanted slogans from the front of the crowd.
• The opera singer was known as a powerful bellower with a commanding stage presence.
• The angry customer became a bellower when his complaint was not addressed immediately.