The Collaborative International Dictionary of English v.0.48:

Set \Set\, n.
   1. The act of setting, as of the sun or other heavenly body;
      descent; hence, the close; termination. "Locking at the
      set of day." --Tennyson.
      [1913 Webster]

            The weary sun hath made a golden set. --Shak.
      [1913 Webster]

   2. That which is set, placed, or fixed. Specifically:
      (a) A young plant for growth; as, a set of white thorn.
      (b) That which is staked; a wager; a venture; a stake;
          hence, a game at venture. [Obs. or R.]
          [1913 Webster]

                We will in France, by God's grace, play a set
                Shall strike his father's crown into the hazard.
                                                  --Shak.
          [1913 Webster]

                That was but civil war, an equal set. --Dryden.
          [1913 Webster]
      (c) (Mech.) Permanent change of figure in consequence of
          excessive strain, as from compression, tension,
          bending, twisting, etc.; as, the set of a spring.
          [1913 Webster]
      (d) A kind of punch used for bending, indenting, or giving
          shape to, metal; as, a saw set.
          [1913 Webster]
      (e) (Pile Driving) A piece placed temporarily upon the
          head of a pile when the latter cannot be reached by
          the weight, or hammer, except by means of such an
          intervening piece. [Often incorrectly written sett.]
          [1913 Webster]
      (f) (Carp.) A short steel spike used for driving the head
          of a nail below the surface. Called also nail set.
          [1913 Webster +PJC]

   3. [Perhaps due to confusion with sect, sept.] A number of
      things of the same kind, ordinarily used or classed
      together; a collection of articles which naturally
      complement each other, and usually go together; an
      assortment; a suit; as, a set of chairs, of china, of
      surgical or mathematical instruments, of books, etc. [In
      this sense, sometimes incorrectly written sett.]
      [1913 Webster]

   4. A number of persons associated by custom, office, common
      opinion, quality, or the like; a division; a group; a
      clique. "Others of our set." --Tennyson.
      [1913 Webster]

            This falls into different divisions, or sets, of
            nations connected under particular religions. --R.
                                                  P. Ward.
      [1913 Webster]

   5. Direction or course; as, the set of the wind, or of a
      current.
      [1913 Webster]

   6. In dancing, the number of persons necessary to execute a
      quadrille; also, the series of figures or movements
      executed.
      [1913 Webster]

   7. The deflection of a tooth, or of the teeth, of a saw,
      which causes the the saw to cut a kerf, or make an
      opening, wider than the blade.
      [1913 Webster]

   8.
      (a) A young oyster when first attached.
      (b) Collectively, the crop of young oysters in any
          locality.
          [1913 Webster]

   9. (Tennis) A series of as many games as may be necessary to
      enable one side to win six. If at the end of the tenth
      game the score is a tie, the set is usually called a deuce
      set, and decided by an application of the rules for
      playing off deuce in a game. See Deuce.
      [1913 Webster]

   10. (Type Founding) That dimension of the body of a type
       called by printers the width.
       [1913 Webster]

   11. (Textiles) Any of various standards of measurement of the
       fineness of cloth; specif., the number of reeds in one
       inch and the number of threads in each reed. The exact
       meaning varies according to the location where it is
       used. Sometimes written sett.
       [Webster 1913 Suppl.]

   12. A stone, commonly of granite, shaped like a short brick
       and usually somewhat larger than one, used for street
       paving. Commonly written sett.
       [Webster 1913 Suppl.]

   13. Camber of a curved roofing tile.
       [Webster 1913 Suppl.]

   14. The manner, state, or quality of setting or fitting; fit;
       as, the set of a coat. [Colloq.]
       [Webster 1913 Suppl.]

   15. Any collection or group of objects considered together.
       [PJC]

   Dead set.
       (a) The act of a setter dog when it discovers the game,
           and remains intently fixed in pointing it out.
       (b) A fixed or stationary condition arising from obstacle
           or hindrance; a deadlock; as, to be at a dead set.
       (c) A concerted scheme to defraud by gaming; a determined
           onset.

   To make a dead set, to make a determined onset, literally
      or figuratively.
      [1913 Webster]

   Syn: Collection; series; group. See Pair.
        [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Width \Width\, n. [From Wide.]
   The quality of being wide; extent from side to side; breadth;
   wideness; as, the width of cloth; the width of a door.
   [1913 Webster]

WordNet (r) 3.0 (2006):

width
    n 1: the extent of something from side to side [syn: width,
         breadth]

Moby Thesaurus II by Grady Ward, 1.0:

48 Moby Thesaurus words for "width":
   ambit, amplitude, area, beam, bigness, body, breadth, broadness,
   bulk, caliber, circle, compass, coverage, depth, diameter,
   dimension, dimensions, distance across, expanse, expansion,
   extension, extent, fullness, gauge, girth, greatness, height,
   largeness, latitude, length, magnitude, mass, measure, measurement,
   orbit, panorama, proportion, proportions, radius, range, reach,
   scale, scope, size, span, spread, volume, wideness