From Longman Business DictionaryADRADR noun1[countable]FINANCE American Depositary Receipt; a type of investment that allows investors in the US to trade indirectly in the shares of non-US companiesADRs provide the opportunity to buy into Asian companies without incurring currency risks. → compare EDR2[uncountable] American EnglishLAW alternative dispute resolution; methods of settling legal disagreements without using an ordinary courtIt resolves its product liability cases through a company that provides ADR services.