WordWeb Online

1. A covering of coarse fabric (usually of straw or hemp)
    
2. Mounting consisting of a border or background for a picture
   - mat

1. Twist together or entwine into a confusing mass
   "The child matted the cord";
   - entangle, tangle, snarl
    
2. Change texture so as to become matted and felt-like
   - felt, felt up, mat up, matt-up, matte up, matte

Derived forms: mattings

Type of: change, covering, distort, mounting, twine, twist

Antonym: straighten out

Encyclopedia: Matting