strix

strix, strĭgis (on the ĭ cf. Lachm. Lucr. II. p. 36), f., = στρίγξ [from στρίζω, τρίζω, the screecher],

a screech-owl , which, according to the belief of the ancients, sucked the blood of young children, Plaut. Ps. 3, 2, 31; Ov. F. 6, 133 sq.; Plin. 11, 39, 95, § 232; Tib. 1, 5, 52; Ov. M. 7, 269; Prop. 4 (5), 5, 17; 3 (4, 5), 6, 29; Petr. 134, 1; cf. Fest. p. 314, 33.