- a bath that originated in Finland, in which exposure to very hot, relatively dry air produced by small amounts of water applied to heated stones is followed usually by light beating of the skin with birch boughs or a brief plunge into cold water
- the enclosure for such a bath
See sauna in American Heritage Dictionary 4
a. A Finnish steam bath in which the steam is produced by pouring water over heated rocks.
b. A bathhouse or room for taking such a steam bath.
a. A dry heat bath.
b. A room or enclosure for taking a dry heat bath.
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