The Collaborative International Dictionary of English v.0.48:

Carpet \Car"pet\ (k[aum]r"p[e^]t), n. [OF. carpite rug, soft of
   cloth, F. carpette coarse packing cloth, rug (cf. It. carpita
   rug, blanket), LL. carpeta, carpita, woolly cloths, fr. L.
   carpere to pluck, to card (wool); cf. Gr. karpo`s fruit, E.
   Harvest.]
   1. A heavy woven or felted fabric, usually of wool, but also
      of cotton, hemp, straw, etc.; esp. a floor covering made
      in breadths to be sewed together and nailed to the floor,
      as distinguished from a rug or mat; originally, also, a
      wrought cover for tables.
      [1913 Webster]

            Tables and beds covered with copes instead of
            carpets and coverlets.                --T. Fuller.
      [1913 Webster]

   2. A smooth soft covering resembling or suggesting a carpet.
      "The grassy carpet of this plain." --Shak.
      [1913 Webster]

   Carpet beetle or Carpet bug (Zool.), a small beetle
      (Anthrenus scrophulari[ae]), which, in the larval state,
      does great damage to carpets and other woolen goods; --
      also called buffalo bug.

   Carpet knight.
      (a) A knight who enjoys ease and security, or luxury, and
          has not known the hardships of the field; a hero of
          the drawing room; an effeminate person. --Shak.
      (b) One made a knight, for some other than military
          distinction or service.

   Carpet moth (Zool.), the larva of an insect which feeds on
      carpets and other woolen goods. There are several kinds.
      Some are the larv[ae] of species of Tinea (as Tinea
      tapetzella); others of beetles, esp. Anthrenus.

   Carpet snake (Zool.), an Australian snake. See Diamond
      snake, under Diamond.

   Carpet sweeper, an apparatus or device for sweeping
      carpets.

   To be on the carpet, to be under consideration; to be the
      subject of deliberation; to be in sight; -- an expression
      derived from the use of carpets as table cover.

   Brussels carpet. See under Brussels.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Carpet \Car"pet\, v. t. [imp. & p. p. Carpeted; p. pr. & vb.
   n. Carpeting.]
   To cover with, or as with, a carpet; to spread with carpets;
   to furnish with a carpet or carpets.
   [1913 Webster]

         Carpeted temples in fashionable squares. --E. Everett.
   [1913 Webster]

WordNet (r) 3.0 (2006):

carpet
    n 1: floor covering consisting of a piece of thick heavy fabric
         (usually with nap or pile) [syn: rug, carpet,
         carpeting]
    2: a natural object that resembles or suggests a carpet; "a
       carpet of flowers"; "the larvae of some moths spin a web that
       resembles a carpet"
    v 1: form a carpet-like cover (over)
    2: cover completely, as if with a carpet; "flowers carpeted the
       meadows"
    3: cover with a carpet; "carpet the floors of the house"

Moby Thesaurus II by Grady Ward, 1.0:

63 Moby Thesaurus words for "carpet":
   Axminster, Brussels carpet, Caucasian rug, Chinese rug,
   East Indian rug, Indian rug, Oriental rug, Persian rug, Savonnerie,
   Turkish rug, Wilton, asphalt, berate, blacktop, body Brussels,
   broadloom, carpeting, causeway, cement, cobblestone, concrete,
   cover, deck, doormat, drop cloth, drugget, duckboards, earth, flag,
   floor, floor covering, floorboards, flooring, ground, ground cloth,
   ground-sheet, ingrain, lash, mat, metal, moquette, namda, nammad,
   parquet, pave, pavement, paving, pebble, rail, rate, rug, rugs,
   surfacing, take to task, tar, tell off, terra firma, throw rug,
   tiling, upbraid, vituperate, welcome mat, wig