bar·keep·er (bär?k??p?r) also bar·keep (-k?p?)n.1. A person who owns or operates a bar for the sale of alcoholic beverages.2. See bartender.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.barkeeper (?b???ki?p?) n (Professions) another name (esp US) for barmanCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014bar?keep?er (?b?r?ki p?r) also bar?keep`, n. 1. the manager of a bar where alcoholic beverages are sold. 2. a bartender. [1705?15] Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.