mat -- (a small pad of material that is used to protect surface from an object placed on it)
Overview of verb mat
The verb mat has 2 senses
entangle, tangle, mat, snarl -- (twist together or entwine into a confusing mass; "The child entangled the cord")
felt, felt up, mat up, matt-up, matte up, matte, mat -- (change texture so as to become matted and felt-like; "The fabric felted up after several washes")
Overview of adj mat
The adj mat has 1 sense
flat, mat, matt, matte, matted -- (not reflecting light; not glossy; "flat wall paint"; "a photograph with a matte finish")