Kilkenny (k?l?k?n?) n1. (Placename) a county of SE Republic of Ireland, in Leinster province: mostly agricultural. County town: Kilkenny. Pop: 80 339 (2002). Area: 2062 sq km (796 sq miles)2. (Placename) a market town in SE Republic of Ireland, county town of Co Kilkenny: capital of the ancient kingdom of Ossory. Pop: 9500 (latest est)Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014Kil?ken?ny (k?l?k?n i) n. 1. a county in Leinster, in the SE Republic of Ireland. 73,094; 796 sq. mi. (2060 sq. km). 2. its county seat. 9466. Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.