Any face-to-face meeting, especially of an official nature. [from 17th c.]
A conversation in person (or, by extension, over the telephone, Internet etc.) between a journalist and someone whose opinion or statements he or she wishes to record for publication, broadcast etc. [from 19th c.]
“The interviewer does most of the talking in the session, with the conversation consisting of questions by the interviewer and answers by the interviewee.”
“On entering the studio, I was greeted by the show's interviewer.”
“Julia is an experienced journalist and interviewer who worked for the BBC for more than 15 years.”