Definition of water mint
: any of several mints that thrive in wet places: such as a : a European mint (Mentha aquatica) sometimes having a perfume resembling that of bergamot and naturalized locally in eastern North America b : a closely related tall hairy mint (M. longifolia) of similar distribution
Join MWU now and get access to America’s largest dictionary, with:
- 300,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Seen and Heard
What made you want to look up water mint? Please tell us where you read or heard it (including the quote, if possible).