隠かくし金きん庫こMeaningsNoun1. hidden safe; secret safe; hidden vaultKanji used隠to hide金gold庫storageComposed of隠かくしhiding; concealing; being hidden; being concealed; pocketNoun金きん庫こsafe; strongbox; cashbox; vault; strongroom; depository; cash office; treasury; provider of fundsNoun