plural noun
Ple·​ia·​des | \ ˈplē-ə-ˌdēz How to pronounce Pleiades (audio) , ˈplā-, chiefly British ˈplī- How to pronounce Pleiades (audio) \

Definition of Pleiades

1 : the seven daughters of Atlas turned into a group of stars in Greek mythology
2 : a conspicuous cluster of stars in the constellation Taurus that includes six stars in the form of a very small dipper

First Known Use of Pleiades

14th century, in the meaning defined at sense 1

History and Etymology for Pleiades

Latin, from Greek

Keep scrolling for more

Learn More about Pleiades

Time Traveler for Pleiades

Time Traveler

The first known use of Pleiades was in the 14th century

See more words from the same century

Statistics for Pleiades

Cite this Entry

“Pleiades.” The Dictionary, Merriam-Webster Inc., Accessed 10 December 2019.

More from Merriam-Webster on Pleiades

Rhyming Dictionary: Words that rhyme with Pleiades

Comments on Pleiades

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


to state or do over again or repeatedly

Get Word of the Day daily email!

Test Your Vocabulary

Semantic Drift Quiz

  • a twisty river
  • Which of the following was once a synonym for fun?
Spell It

Can you spell these 10 commonly misspelled words?

Syn City

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!