Cap·u·a (k?p?yo?o-?, kä?pwä) A town of southern Italy north of Naples. It is named for an important ancient Roman city that was located nearby on the Appian Way.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.Capua (?kæpj??; Italian ?kapua) n (Placename) a town in S Italy, in NW Campania: strategically important in ancient times, situated on the Appian Way. Pop: 19 041 (2001)Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014Cap?u?a (?kæp yu ?) n. a town in S Italy, N of Naples: near site of ancient city of Capua. 18,053. Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.