1) Apostate 2) Cat at times 3) Cat or terrier 4) Certain terrier 5) Deserter 6) Dog trained to catch vermin 7) Dog type 8) Quitter 9) Recreant 10) Renegade 11) Rodent-catching canine 12) Scottie at work 13) Terrier or snitcher 14) Turncoat 15) Vermin catcher 16) Vermin hunter 17) Vermin-catching cat 1) Deserter 2) Turncoat 
[dog] A ratter is a type of dog that has been developed for catching rats and other vermin. A typical ratter is from small to medium size and has a short and smooth coat. Their ears are often erect, although some breeds can have semi-erect and folded ears. == Ratter Breeds == The definition for a ratter varies a little - sometimes it only i...
• (n.) Anything which catches rats; esp., a dog trained to catch rats; a rat terrier. See Terrier. • (n.) One who, or that which, rats, as one who deserts his party.
(slang) A player that clears areas of NPC Pirate vessels.
Rat'ter (-tẽr) noun 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 is Australian slang for someone who steals opal from another person's mine.
Australian slang for someone who steals opal from another person's mine.