Strong's #4693: spelaion (pronounced spay'-lah-yon)

neuter of a presumed derivative of speos (a grotto); a cavern; by implication, a hiding-place or resort:--cave, den.

Thayer's Greek Lexicon:

́

spēlaion

1) a cave, den

Part of Speech: noun neuter

Relation: from a presumed derivative of speos (a grotto)

Usage:

This word is used 6 times:

 

Matthew 21:13: "ye have made it a den of thieves."
Mark 11:17: "ye have made it a den of thieves."
Luke 19:46: "ye have made it a den of thieves."
John 11:38: "grave. It was a cave, and a stone lay upon"
Hebrews 11:38: "and in mountains, and in dens and caves of the earth."
Revelation 6:15: "themselves in the dens and in the rocks"