hap (h?p)n.1. Fortune; chance.2. A happening; an occurrence.intr.v. happed, hap·ping, haps To happen.[Middle English, from Old Norse happ; see kob- in Indo-European roots.]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.hap (hæp) n1. luck; chance2. an occurrencevb, haps, happing or happed (intr) an archaic word for happen[C13: from Old Norse happ good luck; related to Old English gehæplic convenient, Old Slavonic kob? fate]hap (hæp) vb (tr) to cover up; wrap up warmlyna covering of any kind[C14: perhaps of Norse origin]Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014hap (hæp) n., v. happed, hap?ping. n. 1. one’s luck or lot. 2. an occurrence or accident. v.i. 3. to happen: if it so hap. [1150?1200; Middle English