Ki·lau·e·a (k??lou-???, k?l??-w???) An active volcano on the southeast slope of Mauna Loa on the island of Hawaii.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.Kilauea (?ki?l??u??e??) n (Placename) a crater on the E side of Mauna Loa volcano, on SE Hawaii island: the world’s largest active crater. Height: 1247 m (4090 ft). Width: 3 km (2 miles)Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014Ki?lau?e?a (?ki la??e? ?, -?e? ?, ?k?l o?-) n. an active volcanic crater on the E slope of Mauna Loa on the island of Hawaii. 4090 ft. (1247 m). Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.