Definitions
1.NounA publication containing biographies of well-known or important people.
2.NounA list of notable, famous, or upper-class people.
3.NounCollectively, the elite class.
4.NounA person appearing in a Who's Who publication.
5.NounA celebrity or famous person, someone likely to be in such a publication.
6.NounThe identities of specific people, understood in terms of such distinguishing characteristics as their backgrounds, prominence, achievements, jobs, etc., as a basis for comparing them and especially as a basis for ranking them within a social group.