What is the meaning of mat?

noun

• A thick flat pad used as a floor covering.
• Mounting consisting of a border or background for a picture.
  • synonyms: matting
• Sports equipment consisting of a piece of thick padding on the floor for gymnastic sports.
  • synonyms: gym mat
• A mass that is densely tangled or interwoven.
  • usage: "a mat of weeds and grass"
• A master's degree in teaching.
  • synonyms: Master of Arts in Teaching
• The property of having little or no contrast; lacking highlights or gloss.
  • synonyms: flatness, lusterlessness, lustrelessness, matt, matte
• A small pad of material that is used to protect surface from an object placed on it.

verb

• Twist together or entwine into a confusing mass.
  • usage: "The child entangled the cord"
  • synonyms: entangle, tangle, 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

adjective

• Not reflecting light; not glossy.
  • usage: "flat wall paint"; "a photograph with a matte finish"
  • synonyms: flat, matt, matte, matted