Je·hu (j??hyo?o) Ninth century bc. King of Israel who, according to the Bible, slew Jezebel, the sons of Ahab, and the prophets of Baal. He is proverbially known for his swift chariot driving.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.Jehu (?d?i?hju?) n1. (Bible) Old Testament the king of Israel (?842??815 bc); the slayer of Jezebel (II Kings 9:11?30)2. a fast driver, esp one who is reckless (from the phrase to drive like Jehu. II Kings 9:20)Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014Je?hu (?d?i hyu or, often, -hu) n., pl. -hus. 1. a king of Israel noted for his furious chariot attacks. II Kings 9. 2. (l.c.) a. the driver of a cab or coach. b. a fast driver. Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.