Definition of waterwall
1 : a wall built beside or around a body of water
2 : an arrangement of pipes carrying water and so grouped as to form a protective wall between a fire (as in a boiler) and the lining of a furnace
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.
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!
Origin and Etymology of waterwall
Middle English waterwal, from water + wal wall — more at wall
Seen and Heard
What made you want to look up waterwall? Please tell us where you read or heard it (including the quote, if possible).