Lap2  —n. 1 a one circuit of a racetrack etc. B section of a journey etc. 2 a amount of overlapping. B overlapping part. 3 single turn of thread etc. Round a reel etc. —v. (-pp-) 1 lead or overtake (a competitor in a race) by one or more laps. 2 (often foll. By about, round) fold or wrap (a garment etc.) Round. 3 (usu. Foll. By in) enfold in wraps etc. 4 (as lapped adj.) (usu. Foll. By in) enfolded caressingly. 5 cause to overlap. [probably from *lap1]