whos who


Also found in: Thesaurus, Encyclopedia, Wikipedia.

who's′ who′


n.
1. a reference work containing short biographical entries on the outstanding persons in a country, industry, profession, etc.: a who's who in science.
2. the outstanding or influential persons in a community, industry, profession, or other group.
[1840–50]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.