Abbott-Smith Manual Greek Lexicon
σπήλαιον (G4693)
6 σπήλαιον , -ου, τό [in LXX chiefly for מְעָרָה ;] a cave, cavern : Jo 11:38 , He 11:38 , He 6:15 ; σ. (EV, den ) λῃστῶν ( Je 7:11 ), Mt 21:13 , Mk 11:17 , Lk 19:46 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain