Keyword
den
Info
FrequencyTop 1500-1600
Type
Jōyō 
?
KankenLevel 2
Heisig1420
Readings
くつ
(96%)
Composed of
hole
bend
Used in vocabulary (26 in total)
cave; cavern; grotto
den; haunt; hangout; nest; lair
cave; cavern; grotto; dwelling made in a cave; house carved into rock
Examples (23 in total)
When the button was pressed, the cave shook for just a moment.
So you really can stay in a cave.
Having finished preparations, I leave the cave.