manifold writing

Manifold \Man"i*fold\, a. [AS. manigfeald. See {Many}, and
   {Fold}.]
   1. Various in kind or quality; many in number; numerous;
      multiplied; complicated.
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            O Lord, how manifold are thy works!   --Ps. civ. 24.
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            I know your manifold transgressions.  --Amos v. 12.
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   2. Exhibited at divers times or in various ways; -- used to
      qualify nouns in the singular number. "The manifold wisdom
      of God." --Eph. iii. 10. "The manifold grace of God." --1
      Pet. iv. 10.
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   {Manifold writing}, a process or method by which several
      copies, as of a letter, are simultaneously made, sheets of
      coloring paper being infolded with thin sheets of plain
      paper upon which the marks made by a stylus or a
      type-writer are transferred; writing several copies of a
      document at once by use of carbon paper or the like.
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