| Noun | 1. | mat - a thick flat pad used as a floor coveringwelcome mat, doormat - a mat placed outside an exterior door for wiping the shoes before entering | |
| 2. | mat - mounting consisting of a border or background for a picturemounting - framework used for support or display | |
| 3. | mat - sports equipment consisting of a piece of thick padding on the floor for gymnastic sportscanvas, canvass - the mat that forms the floor of the ring in which boxers or professional wrestlers compete; "the boxer picked himself up off the canvas" | |
| 4. | MAT - a master's degree in teachingmaster's degree - an academic degree higher than a bachelor's but lower than a doctor's | |
| 5. | mat - the property of having little or no contrast; lacking highlights or gloss | |
| 6. | mat - a small pad of material that is used to protect surface from an object placed on itdrip mat - a small mat placed under a glass to protect a surface from condensation mouse mat, mousepad - a small portable pad that provides traction for the ball of a computer mouse pad - a usually thin flat mass of padding place mat - a mat serving as table linen for an individual place setting | |
| Verb | 1. | mat - twist together or entwine into a confusing mass; "The child entangled the cord"felt - mat together and make felt-like; "felt the wool" | |
| 2. | mat - change texture so as to become matted and felt-like; "The fabric felted up after several washes"change - undergo a change; become different in essence; losing one's or its original nature; "She changed completely as she grew older"; "The weather changed last night" | |
| Adj. | 1. | mat - not reflecting light; not glossy; "flat wall paint"; "a photograph with a matte finish"dull - emitting or reflecting very little light; "a dull glow"; "dull silver badly in need of a polish"; "a dull sky" | |