From Longman Business Dictionarycross-examinationˌcross-examiˈnation [countable, uncountable]LAW when someone in a court of law is asked questions by a lawyer for the other side after being asked questions by their own lawyer. The purpose of the cross-examination is to check facts and try to find out whether the person is telling the truthThe prosecution finished its cross-examination on Thursday night.He broke down and confessed under cross-examination. → examination