The Collaborative International Dictionary of English v.0.48:

Match \Match\, v. t. [imp. & p. p. Matched; p. pr. & vb. n.
   Matching.]
   1. To be a mate or match for; to be able to complete with; to
      rival successfully; to equal.
      [1913 Webster]

            No settled senses of the world can match
            The pleasure of that madness.         --Shak.
      [1913 Webster]

   2. To furnish with its match; to bring a match, or equal,
      against; to show an equal competitor to; to set something
      in competition with, or in opposition to, as equal.
      [1913 Webster]

            No history or antiquity can matchis policies and his
            conduct.                              --South.
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   3. To oppose as equal; to contend successfully against.
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            Eternal might
            To match with their inventions they presumed
            So easy, and of his thunder made a scorn. --Milton.
      [1913 Webster]

   4. To make or procure the equal of, or that which is exactly
      similar to, or corresponds with; as, to match a vase or a
      horse; to match cloth. "Matching of patterns and colors."
      --Swift.
      [1913 Webster]

   5. To make equal, proportionate, or suitable; to adapt, fit,
      or suit (one thing to another).
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            Let poets match their subject to their strength.
                                                  --Roscommon.
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   6. To marry; to give in marriage.
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            A senator of Rome survived,
            Would not have matched his daughter with a king.
                                                  --Addison.
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   7. To fit together, or make suitable for fitting together;
      specifically, to furnish with a tongue and a groove, at
      the edges; as, to match boards.
      [1913 Webster]

   Matching machine, a planing machine for forming a tongue or
      a groove on the edge of a board.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

matching \matching\ adj.
   1. having identical or closely similar appearance or
      properties; as, a pair of matching candlesticks.

   Syn: duplicate, twin(prenominal), twinned.
        [WordNet 1.5]

   2. Harmonious and pleasing in appearance when used together;
      as, a matching skirt and blouse.

   Syn: coordinated; color-coordinated.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

matching
    adj 1: being two identical [syn: duplicate, matching,
           twin(a), twinned]
    2: intentionally matched; "curtains and walls were color
       coordinated" [syn: coordinated, co-ordinated, matching]