sōkutsu
1. den; haunt
Noun
#47162
cavern
1. den; haunt
1. cavern; grotto
1. cave; cavern
1. den of vice; rogue's den
2. brothel; red-light district
3. cluttered room
1. slum
1. buried earthen jar that makes sound when water drips into it (garden feature)
1. cave diving
1. brothel; house of ill repute
1. cave temple
1. treasure mine