Definition of "bedfellow" [bed•fel•low]

• A bedmate. (noun)
• One that is closely associated or allied with another: "Stupidity here makes an easy bedfellow, as always, with racialism” ( Christopher Hitchens). (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The next morning when the maid came in to make the fire, we woke up face to face in the same bed, and then she told me that her name was Belle Boyd, and I knew for the first time that my bedfellow was the South's famous female spy."
• "Apple has found a strange 'bedfellow' in its quest to push HTML5 over Adobe's Flash: the"
• "Apple has found a strange 'bedfellow' in its quest to push HTML5 over Adobe's Flash: the movie someday?"