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hole: Ar. and P. τρῆμα, τό.
chasm: P. and V. χάσμα, τά.
gorge: P. and V. φάραγξ, ἡ, V. πτυχαί, αἱ.
P. and V. σχιστός (Plato), V. διχορραγής, διαρρῶξ.