Sweat room and Vapour bath

Sweat room noun - A Finnish steam bath; steam is produced by pouring water over heated rocks.

Vapour bath and sweat room are semantically related. In some cases you can use "Vapour bath" instead a noun phrase "Sweat room".

Vapour bath noun - A room that can be filled with steam in which people bathe; `vapour bath' is a British term.

Sweat room and vapour bath are semantically related. Sometimes you can replace phrase "Sweat room" with "Vapour bath", this phrases are similar.