n a thick flat pad used as a floor covering
n mounting consisting of a border or background for a picture
n sports equipment consisting of a piece of thick padding on the floor for gymnastic sports
n a mass that is densely tangled or interwoven
n a master's degree in teaching
n the property of having little or no contrast; lacking highlights or gloss
n a small pad of material that is used to protect surface from an object placed on it
v twist together or entwine into a confusing mass
v change texture so as to become matted and felt-like