1.
safe, strongbox
A secure box or cabinet for storing valuables, typically with a lock.
2.
vault, treasury
A secure room or building for storing money or valuables.
金庫 refers to a secure container or room for storing valuables such as money, documents, and jewelry. It ranges from small household safes to large bank vaults.
COMMON COLLOCATIONS:
- 金庫を開ける: to open a safe
- 金庫に入れる: to put in the safe
- 金庫を閉める: to close/lock the safe
- 耐火金庫: fireproof safe
- 金庫破り: safe-cracking
RELATED WORDS:
- 貸金庫: safe deposit box (at a bank)
- 金庫番: treasurer, keeper of the safe
WORD FORMATION:
金 (metal, money) + 庫 (storehouse). The kanji 庫 also appears in 車庫 (garage), 倉庫 (warehouse).