Lewis Short
crypta (noun F) = κρύπτη:
* A concealed, subterrunean passage, a vault, cavern, cave, grotto, pit, Varr. ap. Non. p. 169, 11; Suet. Calig. 58; Juv. 5, 106 al.—As a place of deposit, Vitr. 6, 8.
* Esp.: crypta Neapolitana, a dark grotto in the neighborhood of Naples, through which was a shorter passage to Puteoli, now Grotta di Napoli, Sen. Ep. 57, 1.
Charlton T. Lewis, Charles Short, A Latin Dictionary