ratter
/ˈrætər/
noun
- A dog or other animal trained to catch and kill rats.
- The terrier is an excellent ratter and keeps the barn free of rodents.
- They adopted a ratter from the shelter to help with the mouse problem.
- In the 1800s, ratters were often used in pits for sport.
- A person who catches rats professionally.
- A good ratter knows all the hiding places of rats.
- The city hired a ratter to control the rodent population in the sewers.
- Old Tom worked as a ratter on the docks for twenty years.
- A person who informs on others; an informer.
- He was known as a ratter after he told the police about the robbery.
- No one trusts a ratter in this neighborhood.
- The gang suspected a ratter in their midst and became paranoid.