Read the dictionary definition of dean. All definitions for this word.
1. an administrator in charge of a division of a university or college
2. (Roman Catholic Church) the head of the College of Cardinals
3. a man who is the senior member of a group
1. he is the dean of foreign correspondents
4. United States film actor whose moody rebellious roles made him a cult figure (1931-1955)
See also: Merriam-Webster definition of dean