/desk"top'/ , adj.
1. small or compact enough to fit or be used on a desk: a desktop computer.
n.
2. Computers. the primary display screen of a graphical user interface, on which various icons represent files, groups of files, programs, or the like, which can be moved, accessed, added to, put away, or thrown away in ways analogous to the handling of file folders, documents, notes, etc., on a real desk.
[ 1925-30; DESK + TOP 1 ]