Dictionary definition · holler
noun
- a very loud utterance (like the sound of an animal)"his bellow filled the hallway"
- a small valley between mountains"he built himself a cabin in a hollow high up in the Appalachians"
verb
- shout out"He hollered out to surrender our weapons"
- utter a sudden loud cry"she cried with pain when the doctor inserted the needle"
- complain"What was he hollering about?"
Source: Open English WordNet (CC BY 4.0).