The Collaborative International Dictionary of English v.0.48:

Mat \Mat\, v. t. [imp. & p. p. Matted; p. pr. & vb. n.
   Matting.]
   1. To cover or lay with mats. --Evelyn.
      [1913 Webster]

   2. To twist, twine, or felt together; to interweave into, or
      like, a mat; to entangle.
      [1913 Webster]

            And o'er his eyebrows hung his matted hair.
                                                  --Dryden.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Matted \Mat"ted\, a. [See 3d Mat.]
   1. Covered with a mat or mats; as, a matted floor.
      [1913 Webster]

   2. Tangled closely together; having its parts adhering
      closely together; as, matted hair.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Matted \Mat"ted\, a. [See Matte.]
   Having a dull surface; lusterless; unburnished; same as
   matte; as, matted gold leaf or gilding.
   [1913 Webster]

   Matted glass, glass ornamented with figures on a dull
      ground.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

entangled \entangled\ adj.
   1. in a confused mass. Contrasted with untangled. [Narrower
      terms: afoul(postnominal), foul, fouled; knotted,
      snarled, snarly; matted; rootbound; intertwined]

   Syn: tangled.
        [WordNet 1.5]

   2. deeply involved especially in something problematic; as,
      entangled in the conflict.

   Syn: embroiled.
        [WordNet 1.5]

   3. constrained by or as if by a convoluted rope or net;
      ensnared.
      [WordNet 1.5]

WordNet (r) 3.0 (2006):

matted
    adj 1: tangled in a dense mass; "tried to push through the
           matted undergrowth"
    2: not reflecting light; not glossy; "flat wall paint"; "a
       photograph with a matte finish" [syn: flat, mat, matt,
       matte, matted]