Lap (noun)

1. The front of the upper thigh and torso when seated.
2. A full circuit of a race track or similar course.
3. A quantity of liquid poured or taken into the mouth with one scoop or drink.
4. The loose material that covers the surface of a road or path.

Origin:

Late middle english (denoting the fold of cloth or a garment hanging down from the waist): from middle low german or middle dutch lap.

Examples:

1. She placed the laptop on her lap while she worked.
2. He had a four second lead over his nearest rival by the end of the first lap.
3. She took a large lap of water from the glass.
4. The work crew spread a layer of asphalt to cover the laps in the road.
5. She finished the last lap of the race with a burst of energy.