Wan·a·ma·ker(wŏn′ə-mā′kər), John 1838-1922.
American merchant whose men's clothing business grew into one of the first department stores. He also served as US postmaster general (1889-1893).
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.