Mat (picture framing) definition

(1) Not reflecting light; not glossy

"Flat wall paint"

"A photograph with a matte finish"

(2) A thick flat pad used as a floor covering

(3) Sports equipment consisting of a piece of thick padding on the floor for gymnastic sports

(4) A small pad of material that is used to protect surface from an object placed on it

(5) Mounting consisting of a border or background for a picture

(6) The property of having little or no contrast; lacking highlights or gloss

(7) A master's degree in teaching

(8) A mass that is densely tangled or interwoven

"A mat of weeds and grass"

(9) Change texture so as to become matted and felt-like

"The fabric felted up after several washes"

(10) Twist together or entwine into a confusing mass

"The child entangled the cord"