Cave - Vine's Expository Dictionary of New Testament Words

Cave

[ 1,,G3692, ope ]
perhaps from ops, sight," denotes "a hole, an opening," such as a fissure in a rock, Hebrews 11:38. In James 3:11, the RV has "opening," of the orifice of a fountain (AV, "place"). See PLACE.

[ 2,,G4693, spelaion ]
"a grotto, cavern, den" (Lat., spelunca), "cave," John 11:38, is said of the grave of Lazarus; in the RV in Hebrews 11:38; Revelation 6:15 (AV, "dens"); in the Lord's rebuke concerning the defilement of the Temple, Matthew 21:13; Mark 11:17; Luke 19:46, "den" is used.

Vine's Expository Dictionary of New Testament Words