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Laniakea

American  
[luh-nahy-uh-kee-uh] / ləˌnaɪ əˈki ə /

noun

Astronomy.

  1. a huge supercluster of many thousands of galaxies: the Milky Way is included in one of its three component parts.

Etymology

Origin of Laniakea

2014; Hawaiian: immeasurable (or immense) heaven

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In 2014 they co-discovered the Laniakea Supercluster, a collection of around 100,000 nearby galaxies, including the Milky Way, that stretches over half a billion light-years.

From Scientific American • Sep. 27, 2023

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.