mats >> mat
Definition: [noun] a piece of coarse material placed on a floor for people to wipe their feet on.
Definition: [noun] 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.
Definition: [noun] a thick, untidy layer of something hairy or woolly.
Example: his chest was covered by a thick mat of soft fair hair
Definition: [verb] tangle (something, especially hair) in a thick mass.
Example: the fur on its flank was matted with blood