Test Your Vocabulary

Take Our 10-Question Quiz

Name That Thing

Take our visual vocab quiz

Test Your Knowledge »

True or False?

A quick quiz about stuff worth knowing

Take It Now »

Join Us on FB & Twitter

Get the Word of the Day and More

Facebook | Twitter

international date line


international date line

noun

Definition of INTERNATIONAL DATE LINE

: an arbitrary line approximately along the 180th meridian designated as the place where each calendar day begins

First Known Use of INTERNATIONAL DATE LINE

circa 1909

Browse

Next Word in the Dictionary: internationale
Previous Word in the Dictionary: international crime
All Words Near: international date line

Seen & Heard

What made you want to look up international date line? Please tell us where you read or heard it (including the quote, if possible).