Obama Barack Hussein, Jr.
photographed in 2009
O·ba·ma(ō-bä′mə), Barack Hussein, Jr. Born 1961.
The 44th president of the United States (2009-2017). He previously served in the Senate, representing Illinois (2004-2008). He was awarded the Nobel Peace Prize for his efforts in diplomacy in 2009, and his work to expand health insurance coverage led to the passage of the Affordable Care Act in 2010.
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.