"Question witnesses" means to ask people who were present or have knowledge about an event or situation to provide information, details, or their perspective on what happened. Full definition
When questioning witnesses about prior statements, instead of showing the witness entries from police notes, he plays excerpts from an audio recording of the notes ahead of time. (slaw.ca)
Pay attention to where the parties sit, how witnesses are sworn, and what kinds of questions the witnesses are asked. (mtfamilylawblog.com)
They can file motions, raise objections, make argument and question witness on your behalf throughout the entire case. (nyccriminalattorneys.com)