Par·nell (pär-n?l?, pär?n?l), Charles Stewart 1846-1891. Irish nationalist leader who served as a member of the British parliament (1875-1891) and led Ireland’s Home Rule Movement.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.Parnell (?p??n?l; p???n?l) n (Biography) Charles Stewart. 1846?91, Irish nationalist, who led the Irish Home Rule movement in Parliament (1880?90) with a calculated policy of obstruction. Although Gladstone was converted to Home Rule (1886), Parnell’s career was ruined by the scandal over his adultery with Mrs O’Shea ?Parnel?lism n ?Parnellite n, adjCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014Par?nell (p?r?n?l, ?p?r nl) n. Charles Stewart, 1846?91, Irish political leader. Par?nell?ite, n. Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.