Ophiuchus

noun

Ophi·​u·​chus ˌä-fē-ˈyü-kəs How to pronounce Ophiuchus (audio)
ˌō-
astronomy
: a large northern constellation that is visible between the constellations of Scutum and Hercules and that is represented by the figure of a man grasping a snake (the constellation Serpens)
Thomas Greene of the University of Hawaii and Charles Lada of the Smithsonian Astrophysical Observatory have studied five protostars in Ophiuchus, each about 100,000 years old.Astronomy, September 1997

Word History

First Known Use

1556, in the meaning defined above

Time Traveler
The first known use of Ophiuchus was in 1556

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Dictionary Entries Near Ophiuchus

Cite this Entry

“Ophiuchus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Ophiuchus. Accessed 26 Nov. 2024.

Love words? Need even more definitions?

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