1.
room
An enclosed space within a building, separated by walls and a door.
部屋 is the general word for any room in a building.
Common expressions
Room types
Counter
Rooms are counted with 部屋: 1部屋, 2部屋. For apartments: 2LDK, 3LDK, etc.
Related Words
Related:
和室 (Japanese-style room)
Related:
洋室 (Western-style room)
Related:
建物 (building containing rooms)
Related:
ホテル (hotel)
Compare:
客室 (guest room)