From Longman Business DictionaryAsian Development BankA‧sian De‧vel‧op‧ment Bank /ˌeɪʃən dɪˈveləpmənt ˌbæŋkˌeɪʒən-/ abbreviation ADB noun BANKINGORGANIZATIONSa bank owned by the governments of Asian and other countries, which tries to encourage economic development in Asia and the Pacific