expert witness

noun

1. a person, as a physician, who provides testimony at a legal proceeding in the form of professional opinions.

Example Sentences

During the trial, both sides presented expert witnesses to talk about the tattoo.

From Los Angeles Times

After this the Post Office paused its prosecutions and decided to replace Mr Jenkins as an expert witness.

From BBC

As a former police officer with Sussex Police, and now an expert witness, Mark Hill has investigated more than 1,000 road accidents.

From BBC

“Phrases such as the baby was really, really well were given by the prosecution expert witnesses on several occasions for several of the babies,” Dr Hall told us.

From BBC

The jury heard evidence from numerous medical expert witnesses describing the injuries suffered by the child as “severe and significant” and said they were so serious that he would have died without medical intervention.

From BBC