a basement..? pretty simple.
What is a underground room called
Dungeon
Underground water is called underground water, because it is "underground" not because it is fresh or salt. You can have underground salt water reservoirs just like you can have fresh water ones.
Underground springs.
Natural underground reserves of fresh water are generally called aquifers.
If its an underground reservoir for water, it could possibly be an Aquifer.
it is called magma.
They are called pithouses and some rooms are underground.
A burrow. In a burrow there are underground rooms called warrens.
Kiva
Syme was and enthusiatic supporter of the party's decisions about stuff in the underground rooms below the ministry of love Page 13 in the middle
concentric castles could have 3 rooms on each floor it also has a underground where the duguon is kept
'rooms'.
Rooms on a ship are called cabins and suites; floors are called decks.
set of rooms
set of rooms
A group of rooms is called a suite.
A group of rooms is called a suite.
You get one in the solaceon ruins in one of the rooms with a rock in and you can also get them underground.