triple A
From Longman Dictionary of Contemporary Englishtriple Aˌtriple ˈA noun American English the spoken form of AAA, the American Automobile Association ‘Call triple A!’From Longman Business DictionaryRelated topics: Financetriple-Aˌtriple-ˈA adjective FINANCE a triple-A RATING for a company shows that it is one of the safest to lend money toIt’s the only major bank based in New York that still has a triple-A credit rating.