Ac·a·pul·co also Ac·a·pul·co de Juá·rez (?k??-po?ol?k? d? hwär??s, -?z, wär?-, ä?kä-po?ol?-) A city of southern Mexico on the Pacific Ocean. It is a popular resort with a fine natural harbor surrounded by cliffs and promontories.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.Acapulco (?æk??p?lk??; Spanish aka?pulko) n (Placename) a port and resort in SW Mexico, in Guerrero state. Pop: 761 000 (2005 est). Official name: Acapulco de Juárez Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014A?ca?pul?co (?æk ??p?l ko?, ?? k?-) n. a seaport and resort in SW Mexico, on the Pacific. 515,374. Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.