a piece of coarse material placed on a floor for people to wipe their feet on

a small piece of cork, card, or fabric placed on a table or other surface to protect it from the heat or moisture of an object placed on it

a thick, untidy layer of something hairy or woolly

his chest was covered by a thick mat of soft fair hair

tangle (something, especially hair) in a thick mass

the fur on its flank was matted with blood

sweat matted his hair

a matt paint or finish

the varnishes are available in gloss, satin, and matt

a sheet of cardboard placed on the back of a picture, either as a mount or to form a border

try mounting prints against a deep matt or ground of the same background colour

give a matt appearance to (something)

its bright fresh surface was soon matted with dust and insects