Zu·ma (zo?o?m?), Jacob Gedleyihlekisa Born 1942. South African politician who took office as president in 2009. 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.Zuma (?zu?m?) n (Biography) Jacob (Gidleyihlekisa). Born 1942; Black South African statesman: Deputy President of South Africa (1999?2005); President of the African National Congress from 2007; President of South Africa from 2009Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014