mat

(noun) a thick flat pad used as a floor covering.

(noun) mounting consisting of a border or background for a picture. Synonyms: matting.

(noun) sports equipment consisting of a piece of thick padding on the floor for gymnastic sports. Synonyms: gym mat.

(noun) a mass that is densely tangled or interwoven. Examples: "A mat of weeds and grass."

(noun) a master's degree in teaching. Synonyms: Master of Arts in Teaching, MAT.

(noun) the property of having little or no contrast; lacking highlights or gloss. Synonyms: flatness, lusterlessness, lustrelessness, matt, matte.

(noun) 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. Synonyms: entangle, tangle, snarl. Examples: "The child entangled the cord."

(verb) change texture so as to become matted and felt-like. Synonyms: felt, felt up, mat up, matt-up, matte up, matte. Examples: "The fabric felted up after several washes."

(adj) not reflecting light; not glossy. Synonyms: flat, matt, matte, matted. Examples: "Flat wall paint." "A photograph with a matte finish."