Definition of "nixie" []

• Slang A misaddressed or illegibly addressed piece of mail, therefore undeliverable. (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.

• "Another water-spirit not unlike the Lorelei is the nixie, which is both male and female, the male appearing like any human being, but, as in the case of the water-spirits of the Slavonic peoples and England, Scotland, and Central America, being possessed of green teeth."
• "Nixie watch that uses the same kind of nixie tubes that were used in calculators and other 'digital' devices in the late 60's / early 70's."
• "What kind of educational system can produce people who think that killing a couple hundred of people will make them stop feeling lonely? nixie: can you please send me blueprints for your time machine??"