The meaning of Key in the Bible
(From Easton's Bible Dictionary)
frequently mentioned in Scripture. It is called in Hebrew maphteah , i.e., the opener (Judges 3:25); and in the Greek New Testament kleis , from its use in shutting (Matthew 16:19; Luke 11:52; Revelation 1:18, etc.). Figures of ancient Egyptian keys are frequently found on the monuments, also of Assyrian locks and keys of wood, and of a large size (Compare Isaiah 22:22).
See more on the meaning of Key in the Bible:
Key {International Standard Bible Encyclopedia}
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