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Hick·ok(hĭk′ŏk′), James Butler Known as "Wild Bill." 1837-1876.
American frontier scout and marshal whose law enforcement exploits against Western outlaws are the subject of folk legends.
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.
(Biography) James Butler, known as Wild Bill Hickok. 1837–76, US frontiersman and marshal
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
James Butler ( “Wild Bill” ), 1837–76, U.S. frontiersman.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.