(Commonly just "laptop") A portaBle {personal computer} of a size suitaBle to rest comfortaBly on one' s legs. A laptop is smaller than a "luggaBle" (portaBle, But not comfortaBly) But Bigger than a "palmtop" (easily carried in one hand or a shirt pocket). ToshiBa were one of the first companies to produce laptops, in aBout 1989. [First example? Date? Difference from "noteBook"?] (1994-12-21)