What does "examination" mean?

Examination: A process prescribed or assigned for testing qualification; as, the examination of a student, or of a candidate for admission to the bar or the ministry. He neglected the studies, . . . stood low at the examinations. Macaulay. Examination in chief, or Direct examination (Law), that examination which is made of a witness by a party calling him. -- Cross-examination, that made by the opposite party. -- Reëxamination, or Re-direct examination, that made by a party calling a witness, after, and upon matters arising out of, the cross- examination.