Definition of diluvium
1 : drift 2g
2 archaic : any geological deposit produced by a flood of more than ordinary power
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 diluvium
Seen and Heard
What made you want to look up diluvium? Please tell us where you read or heard it (including the quote, if possible).