dōkutsu
1. cave; cavern
★ Common
Noun
#11253
1. cave; cavern
1. Cave; Cavern
1. In a cave; While in a cave
1. Cave.; Polite form of "cave."
1. Not a cave
1. Was a cave.
1. Probably a cave.
1. If/when cave; In a cave
1. It was a cave.
1. It is not a cave.