lap 1 
(l
ăp)
n.1. a. The front area from the waist to the knees of a seated person.
b. The portion of a garment that covers the lap.
2. A hanging or flaplike part, especially of a garment.
3. An area of responsibility, interest, or control: an opportunity that dropped in his lap.
Idiom: the lap of luxury Conditions of great affluence or material comfort: an heiress living in the lap of luxury.
[Middle English lappe, lappet, lap, from Old English læppa, lappet.]
lapful′ n.