Definition of "doubleton" []

• A pair of cards that are the only ones of their suit in a hand dealt to a player. (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 appearance of East's doubleton queen was a welcome sight, and all that remained was to resolve the position of the queen of clubs."
• "That might be a singleton or it might be from queen-10 doubleton."
• "When instead he felled North's doubleton ace, he could not establish the spade suit and eventually finished two down."