Source : Webster's Revised Unabridged Dictionary (1913)

Diaper \Di"a*per\, v. i.
   To draw flowers or figures, as upon cloth. ``If you diaper on
   folds.'' --Peacham.

Diaper \Di"a*per\, n. [OF. diaspre, diapre, diaspe, sort of
   figured cloth, It. diaspro jasper, diaspo figured cloth, from
   L. jaspis a green-colored precious stone. See {Jasper}.]
   1. Any textile fabric (esp. linen or cotton toweling) woven
      in diaper pattern. See 2.

   2. (Fine Arts) Surface decoration of any sort which consists
      of the constant repetition of one or more simple figures
      or units of design evenly spaced.

Diaper \Di"a*per\, v. t.
   1. To ornament with figures, etc., arranged in the pattern
      called diaper, as cloth in weaving. ``Diapered light.''
      --H. Van Laun.

            Engarlanded and diapered With in wrought flowers.
                                                  --Tennyson.

   2. To put a diaper on (a child).

Source : WordNet®

diaper
     n 1: garment consisting of a folded cloth drawn up between the
          legs and fastened at the waist; worn by infants to catch
          excrement [syn: {nappy}, {napkin}]
     2: a fabric (usually cotton or linen) with a distinctive woven
        pattern of small repeated figures