In law, cross-examination is the interrogation of a witness called by one's opponent. It is preceded by direct examination (in the United Kingdom, Australia, Canada, India and Pakistan known as examination-in-chief) and may be followed by a redirect (re-examination in England, Scotland, Australia, Canada, India, Hong Kong, and Pakistan).
Read more about Cross-examination: Variations By Jurisdiction, The Art of Cross-examination, Affecting The Outcome of Jury Trials