Sein.
ETYM Old Eng. lappe, as. laeppa; akin to Dutch lap patch, piece, German lappen, Old High Germ. lappa, Dan. lap, Swed. lapp.
1. A part that lies over another part; SYN. overlap.
2. An area of control or responsibility.
3. Movement once around a course; SYN. circle, circuit.
4. The top of the thighs when one is seated; SYN. lap covering.