Definitions

1. noun

a person who fights in a boxing match, especially one who is considered to be a skilled or aggressive boxer

“The young boxer was considered a belter in the amateur league.”

2. noun

in science fiction, a type of star or celestial object that is extremely hot and luminous, especially one that is near the end of its life

“The astronomers studied the characteristics of the newly discovered belter in the distant galaxy.”

3. noun

in informal British usage, a person who is perceived as being aggressive or violent

“The police officer was called to the scene to deal with the angry belter on the street.”

4. verb

to hit or punch someone or something with force

“He belted the punching bag with all his might.”

5. verb

to shout or speak loudly and forcefully

“The politician belted his opponent with a fiery speech.”