Sirocco \Si*roc"co\, n.; pl. {Siroccos}. [It. sirocco, scirocco, Ar. shorug, fr. sharq the rising of the sun, the east, fr, sharaca to rise as the sun. Cf. {Saracen}.] An oppressive, relaxing wind from the Libyan deserts, chiefly experienced in Italy, Malta, and Sicily.