RAT

Definition of RAT

  1. (noun)any of various long-tailed rodents similar to but larger than a mouse
  2. (noun)someone who works (or provides workers) during a strike
  3. (noun)a person who is deemed to be despicable or contemptible
  4. (noun)one who reveals confidential information to the police or other authority
  5. (noun)a pad (usually made of hair) worn as part of a woman's coiffure
  6. (verb)desert one's party or group of friends, for example, for one's personal advantage
  7. (verb)employ scabs or strike breakers in
  8. (verb)take the place of work of someone on strike
  9. (verb)give (hair) the appearance of being fuller by using a rat
  10. (verb)catch rats, especially with dogs
  11. (verb)give away information about somebody