Anything which catches rats, especially a dog trained to catch them; a rat terrier. / One who rats; a traitor; a deserter. / A pirate miner, a miner who digs out ore or paydirt clandestinely and runs

plural of ratter

A surname.

(countable) A place where rats are housed in large numbers, usually for the purpose of breeding / (uncountable, obsolete) apostasy; traitorousness

plural of rattery

A surname.

plural of Ratterree

A village and civil parish in South Hams district, Devon, England (OS grid ref SX7461).