that which, being sewed or otherwise fastened to an edge or border, serves to guard, strengthen, or adorn it- a small cord covered with cloth and sewed on a seam or border to strengthen it; an edge of cloth folded on itself, usually over a cord, and sewed down.-a hem, border, or fringe.-in shoemaking, a narrow strip of leather around a shoe, between the upper leather and sole.-in steam boilers and sheet-iron work, a strip riveted upon the edges of plates that form a butt joint.-in carpentry, a strip of wood fastened over a flush seam or joint, or an angle, to strengthen it.-in machine-made stockings, a strip, or flap, of which the heel is formed.-a narrow border, as of an ordinary, but not extending around the ends.-to furnish with a welt; to sew or fasten a welt on; as, to welt a boot or a shoe; to welt a sleeve.-to wilt.