資料來源 : Webster's Revised Unabridged Dictionary (1913)

Lapping \Lap"ping\, n.
   A kind of machine blanket or wrapping material used by calico
   printers. --Ure.

   {Lapping engine}, {Lapping machine} (Textile Manuf.), A
      machine for forming fiber info a lap. See its {Lap}, 9.