Definition of stamp paper in English:

stamp paper

noun

mass noun
  • The gummed marginal paper at the edge of a sheet of postage stamps.

    • ‘In ‘Blood Relatives’, Lieberman used perforated stamp paper and red silk thread criss crossing the perforations as a starting point for a new series of linked works, showed recently at Camouflage in Johannesburg.’
    • ‘The first United States self-adhesive stamp, issued in 1974, the 10¢ Dove Weather Vane stamp, Scott 1552, is difficult to collect mint or used because the adhesive is difficult to remove and it causes mottling of the stamp paper.’