variants or less commonly trilith
plural -s
: an ancient stone monument consisting of two upright megaliths carrying a third as a lintel

Word History


New Latin trilithon, from Greek, neuter of trilithos of three stones, from tri- three + lithos stone

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 trilithon

Cite this Entry

“Trilithon.” Dictionary, Merriam-Webster, Accessed 13 Jul. 2024.

Love words? Need even more definitions?

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