expert witness

Definitions of expert witness
1

n a witness who has knowledge not normally possessed by the average person concerning the topic that he is to testify about

Antonyms:
lay witness
any witness who does not testify as an expert witness
Type of:
witness
(law) a person who testifies under oath in a court of law

Sign up, it's free!

Whether you're a student, an educator, or a lifelong learner, Vocabulary.com can put you on the path to systematic vocabulary improvement.