Source : Webster's Revised Unabridged Dictionary (1913)

Rug \Rug\, v. t.
   To pull roughly or hastily; to plunder; to spoil; to tear.
   [Scot.] --Sir W. Scott.

Rug \Rug\, n. [Cf. Sw. rugg entanglend hair, ruggig rugged,
   shaggy, probably akin to E. rough. See {Rough}, a.]
   1. A kind of coarse, heavy frieze, formerly used for
      garments.

            They spin the choicest rug in Ireland. A friend of
            mine . . . repaired to Paris Garden clad in one of
            these Waterford rugs. The mastiffs, . . . deeming he
            had been a bear, would fain have baited him.
                                                  --Holinshed.

   2. A piece of thick, nappy fabric, commonly made of wool, --
      used for various purposes, as for covering and ornamenting
      part of a bare floor, for hanging in a doorway as a
      poti[`e]re, for protecting a portion of carpet, for a wrap
      to protect the legs from cold, etc.

   3. A rough, woolly, or shaggy dog.

   {Rug gown}, a gown made of rug, of or coarse, shaggy cloth.
      --B. Johnson.

Source : WordNet®

rug
     n : floor covering consisting of a piece of thick heavy fabric
         (usually with nap or pile) [syn: {carpet}, {carpeting}]