plural saunas
1
: a special heated room in which people sit or lie down in order to get hot and sweat
The health club has a pool and a sauna.
2
: a health treatment in which people sit or lie down in a sauna
He talked about the benefits of taking/having a sauna regularly.
Cite this Entry
“Sauna.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/sauna. Accessed 20 Jun. 2026.
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