Friday the 13th

noun

plural Friday the 13ths

: the 13th day of the month falling on a Friday and sometimes regarded as unlucky

How many Friday the 13ths will there be this year?

So the superstition says that if you must dine on Friday the 13th don't eat with 12 others at the table. Legend says the first or last to rise from the table will die within a year.

—Lee Linder

see triskaidekaphobia

Word History

First Known Use

1898, in the meaning defined above