πρηστήρ

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. HG 1.3.1; π. χθόνιος tornado, Arist. Mu. 395a10; πρηστῆρες καὶ κεραυνοί Thphr. Ign. 1.

2. ὀμμάτων ἄπο αἱμοσταγῆ πρηστῆρε ῥεύσονται κάτω two jets of blood, E. Fr. 384.

II. pair of bellows, πρηστῆρος αὐλός Placit. 2.20.1, 2.25.1: pl., A.R. 4.777.

III. pl., veins of the neck when swollen by anger, Poll. 2.134, Hsch.

IV. a kind of serpent, whose bite is poisonous, Dsc. 4.37, Philum. Ven. 19, Ael. NA 6.51.