strix (noun F) :
* A furrow, channel, groove, flute, Vitr. 3, 3 fin.: strigium circuitus,id. 4, 1 med.; 4, 3; 4, 4 (al. striae; but cf. strigatus and strigo).

strix (noun F) : (on the ĭ cf. Lachm. Lucr. II. p. 36), , = 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.