Ratter n. : One who, or that which, rats, as one who deserts his party.

Ratter n. : Anything which catches rats; esp., a dog trained to catch rats; a rat terrier. See Terrier.

Example:
Where could I find a breeder of Prauge Ratter puppies?

Taxonomy
ratter, Merriam-Webster Online Dictionary, Dictionary, webster, Word Games, Webster Online Dictionary with audio pronunciations, thesaurus, Google Search, Custom Search, glossary, english, language, ESL, Search, ra, catches, rats, dog.

Defination from the web:
ratter from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games. ... Learn more about "ratter" and related topics at Britannica.com. Pronunciation Symbols. Share this entry: Link to this page: Cite this page: Products ...