The Oxford Thesaurus An A-Z Dictionary of Synonyms - lapэn.

1) circuit, orbit, ambit, circle, tour, trip, revolution: She runs four laps round the track every day for exercise. 2) flap, fold, lappet, projection, lapel, overlap: This lap hides the zip. --v. 3) overlap, fold, enfold, envelop, wrap: Lap the fabric so as to cover the seam.