密室

Reading

Kana: みっしつ

Romaji: misshitsu

Definitions

noun

1

room that cannot be entered (i.e. because it's locked from the inside)

2

secret room

Kanji

密

Readings: ミツ、 ひそ.か

Meanings: secrecy, density (pop), minuteness, carefulness

室

Readings: シツ、 むろ

Meanings: room, apartment, chamber, greenhouse, cellar