Strong's #2807: kleis (pronounced klice)

from 2808; a key (as shutting a lock), literally or figuratively:--key.

Thayer's Greek Lexicon:

́

kleis

1) a key

1a) since the keeper of the keys has the power to open and to shut

1b) metaphorically in the NT to denote power and authority of various kinds

Part of Speech: noun feminine

Relation: from G2808

Citing in TDNT: 3:744, 439

Usage:

This word is used 6 times:

 

Matthew 16:19: "I will give unto thee the keys of the kingdom of heaven: and"
Luke 11:52: "for ye have taken away the key of knowledge: ye entered not in yourselves,"
Revelation 1:18: "forevermore, Amen; and have the keys of hell and"
Revelation 3:7: "he that is true, he that hath the key of David, he that openeth, and no man"
Revelation 9:1: "to him was given the key of the bottomless pit."
Revelation 20:1: "heaven, having the key of the bottomless pit and a great"