A.hurricane or waterspout attended with lightning (Placit.3.3.1, Arist.Mete.371a16, Chrysipp.Stoic.2.203, Epicur. Ep.2p.47U., Lucr.6.424,445), “πρηστήρων ἀνέμων” Hes.Th.846; “θαλάσσης τὸ μὲν ἥμισυ γῆ, τὸ δ᾽ ἥμισυ π.” Heraclit.31; “βρονταί τε καὶ πρηστῆρες ἐπεσπίπτουσι” Hdt.7.42; “τυφῷ καὶ πρηστῆρι” Ar.Lys.974; “ὁ . . νεὼς τῆς Ἀθηνᾶς ἐνεπρήσθη π. ἐμπεσόντος” X.HG1.3.1; “π. χθόνιος” tornado, Arist.Mu.395a10; “πρηστῆρες καὶ κεραυνοί” Thphr.Ign.1.
III. pl., veins of the neck when swollen by anger, Poll.2.134, Hsch.