ἔξαψις σφοδρὰ μετὰ πολλῆς βίας πίπτουσα ἐπὶ γῆς → a violent flare-up falling on the ground with great force, thunder and lightning
(2) Simplex,¹⁴ ĭcis, m., surnom : Tac. H. 2, 60.