I. A fiery whirlwind, which descends in the form of a pillar of fire, a water-spout, sand-spout: “presteras Graici quos ab re nominitarunt, etc.,” Lucr. 6, 424: “turbo ardentior accensusque dum furit, prester vocatur, amburens contacta pariter, et proterens,” Plin. 2, 48, 50, § 133: spiritus cum majore vi torti sunt, fit procella terrestris, et a Graecis prester nomen accepit, App. de Mundo, p. 62 fin.—
II. A kind of serpent, whose bite causes a burning thirst: “prester quem percusserit, distenditur, enormique corpulentiā necatur extuberatus,” Sol. 27, 32: “torridus prester,” Luc. 9, 791; Plin. 20, 20, 81 § 210; 24, 13, 73, § 117.