Mat

1. n. An ornamental border made of paper, pasterboard, metal, etc., put under the glass which covers a framed picture; as, the mat of a daguerreotype.
2. n. A name given by coppersmiths to an alloy of copper, tin, iron, etc., usually called white metal.
3. a. Cast down; dejected; overthrown; slain.
4. n. A fabric of sedge, rushes, flags, husks, straw, hemp, or similar material, used for wiping and cleaning shoes at the door, for covering the floor of a hall or room, and for other purposes.
5. n. Any similar fabric for various uses, as for covering plant houses, putting beneath dishes or lamps on a table, securing rigging from friction, and the like.
6. n. Anything growing thickly, or closely interwoven, so as to resemble a mat in form or texture; as, a mat of weeds; a mat of hair.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.