n foolscap a size of paper used especially in Britain *** Webster’s Revised Unabridged Dictionary n Foolscap A writing paper made in sheets, ordinarily 16 x 13 inches, and folded so as to make a page 13 x 8 inches. See Paper . Century Dictionary and Cyclopedia n foolscap See idiot’s cap, under idiot. n foolscap A writing-paper, usually folded, varying in size from 12 × 15 to 12½ × 16 inches: so called from its former watermark, the outline of a loser’s head and cap, for which other devices are now substituted. n foolscap A bivalve mollusk, Isocardia cor, better known as heart-shell. foolscap Of the size known as foolscap. Chambers’s Twentieth Century Dictionary n Foolscap foolz?kap a long[…]