Definition of "duo" []

• Music A duet, especially two performers singing or playing together. (noun)
• Two people or two things in close association: a duo of negotiators. (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.

• "As the less grounded of the title duo, she is more than pleasing as she attempts to find herself while continuing a fling with the charismatic artist expertly portrayed by Oscar winner Bardem."
• "But even as the bad guys try to turn the tables, this duo is nothing if not resourceful, and the result is an uncommonly satisfying adventure."
• "The ambient/folk/pop girl-girl duo is back on Nebraska indie label Saddle Creek after a seven-year break (and solo careers that never went as well as they might have)."