Definition of "triskaidekaphobia" []

• An abnormal fear of the number 13. (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.

• "I was born on the 13th of December and decided to look up the word triskaidekaphobia because today is the 13th."
• "It's even led to a condition called triskaidekaphobia, fear of the number 13."
• "The fear of Friday the 13th is called friggatriskaidekaphobia Frigga is the name of the Norse goddess whom Friday is named after, and triskaidekaphobia means the fear of the number 13 or paraskevidekatriaphobia."