San Ber·nar·di·no (s?n bûr?n?-d??n?, -n?r-) A city of southern California east of Los Angeles at the foot of the San Bernardino Mountains, a range on the southern edge of the Mojave Desert rising to 3,505 m (11,499 ft). The city was founded by Mormons in 1851 on the site of a Spanish mission (established 1810) and grew as an agricultural center.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.San Bernardino (sæn ?b??n??di?n??) n (Placename) a city in SE California: founded in 1851 by Mormons from Salt Lake City. Pop: 195 357 (2003 est)Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014San Ber?nar?di?no (?sæn ?b?r n?r?di no?, -?b?r n?-) n. a city in S California. 183,474. Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.