I.v. dep. n. and a.
I. Lit., to glide or flow by, to fly or run past: “praeterlabentia flumina,” Quint. 10, 3, 24.—With acc.: “tumulum,” Verg. A. 6, 874: “hanc (tellurem) pelago praeterlabare necesse est,” to sail past, id. ib. 3, 478.—
II. Trop., to slip away: “(definitio) ante praeterlabitur, quam percepta est,” Cic. de Or. 2, 25, 109.