ratter

/'rætə/
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Thân thiện
ratter

A small terrier stands alert as a ratter in the barn.

Definition
  1. Noun:
    • A dog bred or trained to catch rats: A ratter is specifically a type of dog, often a terrier breed, whose purpose is to hunt and kill rats.
    • A disloyal person who betrays a group or cause: Informally, a ratter is a person who deserts or informs on their associates, akin to a traitor or informant.
Usage Examples
  • Noun (Dog):
    • The farmer kept a Jack Russell terrier as an excellent ratter in the barn.
    • This breed was historically valued as a ratter on ships.
  • Noun (Person):
    • After the scandal, he was branded a ratter by his former colleagues.
    • The informant was seen as a ratter who betrayed the organization's secrets.
Advanced Usage
  • "To turn ratter": To become an informant or betrayer.
    • Facing pressure from the police, one member of the gang turned ratter.
Variants and Related Words
  • Rat (verb): To desert or betray someone; to inform on someone.
    • He ratted on his partners to get a lighter sentence.
  • Rat-catcher (noun): A person or animal whose job is to catch rats. (Note: This is a related compound term, not a variant of "ratter" itself).
Synonyms
  • For the dog: Rat-catcher, terrier (in context).
  • For the person: Informant, betrayer, traitor, deserter, snitch (informal).
Related Phrases
  • "Like a ratter": With the keenness or determination of a rat-hunting dog.
    • He went through the old files like a ratter, searching for the evidence.
Idioms
  • No direct idioms are formed solely with the word "ratter." However, the related verb "rat" is used in idioms like "to smell a rat" (to suspect trickery) or "rat race" (a fiercely competitive struggle).
ratter

A small terrier stands alert as a ratter in the barn.

Noun
  1. any of several breeds of terrier developed to catch rats
  2. a disloyal person who betrays or deserts his cause or religion or political party or friend etc.