Lewis & Short

oxypŏrus, a, um, adj., = ὀξυπόρος, that passes quickly through, penetrating; of food, easily digested; of medicine, that operates quickly: moretum, Col. 12, 56; Plin. 20, 7, 26, § 65; 20, 23, 96, § 256; 24, 8, 36, § 55; Stat. S. 4, 9, 36.