noun🔗ShareAnything which catches rats, especially a dog trained to catch them; a rat terrier."The farmer kept a Jack Russell terrier; it was an excellent ratter and kept the barn free of rodents. "animaljobChat with AIVocabulary GamePractice Reading
noun🔗ShareOne who rats; a traitor; a deserter."After leaking the company's secrets to a competitor, John was known as a ratter by his former colleagues. "characterpersonmoralChat with AIVocabulary GamePractice Reading
