DICT.TW Dictionary Taiwan

 rat·ter /ˈrætɚ/
 捕鼠者,叛變者

 Rat·ter n.
 1. One who, or that which, rats, as one who deserts his party.
 2. Anything which catches rats; esp., a dog trained to catch rats; a rat terrier. See Terrier.
 ◄ ►

 ratter
      n 1: a disloyal person who betrays or deserts his cause or
           religion or political party or friend etc. [syn: deserter,
            apostate, renegade, turncoat, recreant]
      2: any of several breeds of terrier developed to catch rats
         [syn: rat terrier]