What is the meaning of matting?

noun

• A covering of coarse fabric (usually of straw or hemp. )
• Mounting consisting of a border or background for a picture.
  • synonyms: mat

verb

• Twist together or entwine into a confusing mass.
  • usage: "The child entangled the cord"
  • synonyms: entangle, tangle, mat, snarl
• Change texture so as to become matted and felt-like.
  • usage: "The fabric felted up after several washes"
  • synonyms: felt, felt up, mat up, matt-up, matte up, matte, mat
• Change texture so as to become matted and felt-like.
  • usage: "The fabric felted up after several washes"
  • synonyms: felt, felt up, mat up, matt-up, matte up, matte, mat