Iāpyx, ygis, m., = Ἰάπυξ, a son of Daedalus, who ruled in Southern Italy (Apulia or Calabria), Plin. 3, 11, 16, § 102; Ov. M. 15, 52.

— Transf. A river in the south of Italy, Plin. 3, 11, 16, § 102.

— A wind that blows in the south of Italy, the west-northwest of the Greeks, Hor. C. 1, 3, 4; Verg. A. 8, 710.

— Deriv. Iāpygia, ae, f., that part of Southern Italy (Apulia or Calabria) over which Iapyx ruled, Iapygia, Plin. 3, 11, 16, § 102; Ov. M. 15, 703; Serv. Verg. G. 3, 475.

— Derivv. Iāpygius, a, um, adj., Iapygian: Acra, a promontory on the eastern extremity of the Tarentine Gulf, Plin. 3, 11, 16, § 100.

— Iāpyx, ygis, adj., Iapygian, also for Apulian, Calabrian: campus, Sil. 1, 51; 3, 707: equus, Verg. A. 11, 678: Garganus, id. ib. 11, 247: Daunus, as king of Apulia, Ov. M. 14, 458; 510.

— Iāpygēus, i, m. (sc. ventus), the wind usually called Iapyx (v. supra), App. de Mundo, p. 63, 20.