Definition of "fluke" []

• Any of various flatfishes, especially a flounder of the genus Paralichthys. (noun)
• See trematode. (noun)
• Nautical The triangular blade at the end of an arm of an anchor, designed to catch in the ground. (noun)
• A barb or barbed head, as on an arrow or a harpoon. (noun)
• Either of the two horizontally flattened divisions of the tail of a whale. (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.

• "No matter what time of year I'm fishing, a fluke is the first bait I'll tie on."
• "Before anyone says that this was going to happen anyway, remember that political pros were saying two years ago that Napolitano was a one term fluke, early this year Republicans were salivating about a possible 2/3 majority House and Senate, and it took some foresight to see that a decent candidate could be recruited to take out J."
• "The talk in Republican circles as well as among some Democrats, you know who you are! was that Napolitano was a one term fluke who would be easily beaten by any Republican, maybe even Joe Sweeney."