Origin of pit bullso named because it was developed for fighting: see pit (noun), bull terrier
pit bullpit bull
- A dog of any of various breeds having a muscular body, broad powerful head, and short coat, especially an American pit bull terrier, an American Staffordshire terrier, or a Staffordshire bull terrier. Also called pit bull terrier .
- Slang One who behaves in a markedly aggressive or ruthless manner.
(plural pit bulls)
- Shortened form of pit bull terrier.
- A person with a reputation for pugnacity.