The Collaborative International Dictionary of English v.0.48:

Floss \Floss\ (?; 195), n. [It. floscio flabby, soft, fr. L.
   fluxus flowing, loose, slack. See Flux, n.]
   1. (Bot.) The slender styles of the pistillate flowers of
      maize; also called silk.
      [1913 Webster]

   2. Untwisted filaments of silk, used in embroidering.
      [1913 Webster]

   3. A body feather of an ostrich. Flosses are soft, and gray
      from the female and black from the male.
      [Webster 1913 Suppl.]

   Floss silk, silk that has been twisted, and which retains
      its loose and downy character. It is much used in
      embroidery. Called also floxed silk.

   Floss thread, a kind of soft flaxen yarn or thread, used
      for embroidery; -- called also linen floss, and floss
      yarn. --McElrath.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Silk \Silk\, n. [OE. silk, selk, AS. seolc, seoloc; akin to
   Icel. silki, SW. & Dan. silke; prob. through Slavic from an
   Oriental source; cf. Lith. szilkai, Russ. shelk', and also L.
   sericum Seric stuff, silk. Cf. Sericeous. Serge a woolen
   stuff.]
   1. The fine, soft thread produced by various species of
      caterpillars in forming the cocoons within which the worm
      is inclosed during the pupa state, especially that
      produced by the larvae of Bombyx mori.
      [1913 Webster]

   2. Hence, thread spun, or cloth woven, from the above-named
      material.
      [1913 Webster]

   3. That which resembles silk, as the filiform styles of the
      female flower of maize.
      [1913 Webster]

   Raw silk, silk as it is wound off from the cocoons, and
      before it is manufactured.

   Silk cotton, a cottony substance enveloping the seeds of
      the silk-cotton tree.

   Silk-cotton tree (Bot.), a name for several tropical trees
      of the genera Bombax and Eriodendron, and belonging to
      the order Bombaceae. The trees grow to an immense size,
      and have their seeds enveloped in a cottony substance,
      which is used for stuffing cushions, but can not be spun.


   Silk flower. (Bot.)
      (a) The silk tree.
      (b) A similar tree (Calliandra trinervia) of Peru.

   Silk fowl (Zool.), a breed of domestic fowls having silky
      plumage.

   Silk gland (Zool.), a gland which secretes the material of
      silk, as in spider or a silkworm; a sericterium.

   Silk gown, the distinctive robe of a barrister who has been
      appointed king's or queen's counsel; hence, the counsel
      himself. Such a one has precedence over mere barristers,
      who wear stuff gowns. [Eng.]

   Silk grass (Bot.), a kind of grass (Stipa comata) of the
      Western United States, which has very long silky awns. The
      name is also sometimes given to various species of the
      genera Aqave and Yucca.

   Silk moth (Zool.), the adult moth of any silkworm. See
      Silkworm.

   Silk shag, a coarse, rough-woven silk, like plush, but with
      a stiffer nap.

   Silk spider (Zool.), a large spider (Nephila plumipes),
      native of the Southern United States, remarkable for the
      large quantity of strong silk it produces and for the
      great disparity in the sizes of the sexes.

   Silk thrower, Silk throwster, one who twists or spins
      silk, and prepares it for weaving. --Brande & C.

   Silk tree (Bot.), an Asiatic leguminous tree (Albizzia
      Julibrissin) with finely bipinnate leaves, and large flat
      pods; -- so called because of the abundant long silky
      stamens of its blossoms. Also called silk flower.

   Silk vessel. (Zool.) Same as Silk gland, above.

   Virginia silk (Bot.), a climbing plant (Periploca
      Gr[ae]ca) of the Milkweed family, having a silky tuft on
      the seeds. It is native in Southern Europe.
      [1913 Webster]

WordNet (r) 3.0 (2006):

silk
    n 1: a fabric made from the fine threads produced by certain
         insect larvae
    2: animal fibers produced by silkworms and other larvae that
       spin cocoons and by most spiders

Moby Thesaurus II by Grady Ward, 1.0:

109 Moby Thesaurus words for "silk":
   AG, DA, KC, QC, SSC, US attorney, alabaster, attorney general,
   billiard table, blubber, bowling alley, bowling green, breeze,
   butter, civilian, clay, cloth, corporation lawyer,
   court-appointed lawyer, criminal lawyer, cushion, daintiness,
   defense counsel, delicacy, district attorney, dough, down,
   downiness, drapery, eiderdown, etoffe, fabric, feather bed,
   feathers, felt, filminess, fine-grainedness, fineness, flat,
   fleece, floss, flue, fluff, fluffiness, foam, fuzz, fuzziness,
   glass, goods, gossameriness, ice, ivory, junior counsel, kapok,
   lace, law agent, leader, level, mahogany, marble, material,
   mouthpiece, napery, peach fuzz, pillow, plane, plush,
   private attorney, prosecuting attorney, prosecutor, pubescence,
   public prosecutor, publicist, pudding, puff, putty, rag,
   refinement, rubber, satin, satininess, silk gown, silkiness, slide,
   smooth, smoothness, softness, solicitor general, special pleader,
   stuff, stuff gown, stuff-gownsman, swansdown, tennis court,
   textile, textile fabric, texture, thistledown, tissu, tissue,
   velvet, velvetiness, wax, weave, web, weft, woof, wool, zephyr



Easton's 1897 Bible Dictionary:

Silk
   Heb. demeshek, "damask," silk cloth manufactured at Damascus,
   Amos 3:12. A.V., "in the corner of a bed, and in Damascus in a
   couch;" R.V., "in the corner of a couch, and on the silken
   cushions of a bed" (marg., "in Damascus on a bed").

     Heb. meshi, (Ezek. 16:10, 13, rendered "silk"). In Gen. 41:42
   (marg. A.V.), Prov. 31:22 (R.V., "fine linen"), the word "silk"
   ought to be "fine linen."

     Silk was common in New Testament times (Rev. 18:12).