LSJπετρ-ηρεφήςGlosso'er-arched with rock, rock-vaultedπετρ-ηρεφής,ές, (ἐρέφω)A. o'er-arched with rock, rock-vaulted, ἄντραA. Pr. 302, E. Cyc. 82 .ReferencesA. Pr. 302E. Cyc. 82