desk·top 
(dĕsktŏp′)
(dĕsktŏp′)n.
1. The top of a desk.
2. Computers
a. The area of a display screen where images, windows, icons and other graphical items appear.
b. A computer that is designed to be used at a desk or table and is not easily moved, in contrast to a laptop or other portable device. Also called desktop computer.
adj.
Designed for use on a desk or table: a desktop telephone.