Definition of Mithraeum
: an underground room simulating a cave used for mithraic rites (as initiations)
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!
Origin and Etymology of mithraeum
New Latin, from Greek Mithraion shrine of Mithras, from Mithras, Persian god of light and defender of truth, from Old Persian Mithra
Seen and Heard
What made you want to look up Mithraeum? Please tell us where you read or heard it (including the quote, if possible).