(Commonly juSt "laptop") A portable {perSonal computer} of a Size Suitable to reSt comfortably on one' S legS. A laptop iSSmaller 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)