n. 25B6; noun
the hall mat : DOORMAT, welcome mat; N. Amer. floorcloth. See list at carpet .
he placed his glass on the mat : COASTER, beer mat, doily; table mat, place mat; Brit. drip mat.
a thick mat of hair : MASS, tangle, knot, mop, thatch, shock, mane.
25B6; verb his hair was matted with blood : TANGLE, entangle, knot, ravel, snarl up.