noun
The common everyday meaning: a lockable container or room for storing money, valuables, or important documents.
通帳と印鑑を金庫にしまった。
I put the bankbook and seal in the safe.
銀行の地
There is a large vault in the basement of the bank.
noun
treasury; cash office; depository
Institutional or administrative use for a place, office, or organization that receives, keeps, and pays out money. It is also common inside financial-institution names such as 信用金庫.
古い規程では、「金庫」は現金の出納と保管を扱う部署を指す。
In the old regulations, 金庫 refers to the department that handles the receipt, payment, and custody of cash.
地元の信用金庫で住宅ローンを相談した。
I consulted about a home loan at a local credit union.
noun
financial backer; source of funds
Metaphorical and relatively uncommon: a person or group treated as the purse or funding source for an organization, party, or activity.
その実業家は、選挙陣営の金庫と見られていた。
The businessman was seen as the campaign's source of funds.