plural -es
: a lunar cycle of 6585.32 days at the end of which the centers of sun and moon return so nearly to their relative positions at the beginning that all the eclipses of the period recur approximately as before though in longitudes about 120 degrees west of the regions where they were visible in the saros immediately preceding

Word History


Greek, from Akkadian shāru cycle of 3600 years

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 saros

Cite this Entry

“Saros.” Dictionary, Merriam-Webster, Accessed 21 Jun. 2024.

Love words? Need even more definitions?

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