ἔξαψις σφοδρὰ μετὰ πολλῆς βίας πίπτουσα ἐπὶ γῆς → a violent flare-up falling on the ground with great force, thunder and lightning
arquus: us, m., v. arcus.
arquus, ī, m., v. arcus.
arquus, s. arcus.
arquus arquus N M :: bow, arc, coil, arch; rainbow; anything arched or curved