The Collaborative International Dictionary of English v.0.48:

Die \Die\, n.; pl. in 1 and (usually) in 2, Dice (d[imac]s);
   in 4 & 5, Dies (d[imac]z). [OE. dee, die, F. d['e], fr. L.
   datus given, thrown, p. p. of dare to give, throw. See Date
   a point of time.]
   1. A small cube, marked on its faces with spots from one to
      six, and used in playing games by being shaken in a box
      and thrown from it. See Dice.
      [1913 Webster]

   2. Any small cubical or square body.
      [1913 Webster]

            Words . . . pasted upon little flat tablets or dies.
                                                  --Watts.
      [1913 Webster]

   3. That which is, or might be, determined, by a throw of the
      die; hazard; chance.
      [1913 Webster]

            Such is the die of war.               --Spenser.
      [1913 Webster]

   4. (Arch.) That part of a pedestal included between base and
      cornice; the dado.
      [1913 Webster]

   5. (Mach.)
      (a) A metal or plate (often one of a pair) so cut or
          shaped as to give a certain desired form to, or
          impress any desired device on, an object or surface,
          by pressure or by a blow; used in forging metals,
          coining, striking up sheet metal, etc.
      (b) A perforated block, commonly of hardened steel used in
          connection with a punch, for punching holes, as
          through plates, or blanks from plates, or for forming
          cups or capsules, as from sheet metal, by drawing.
      (c) A hollow internally threaded screw-cutting tool, made
          in one piece or composed of several parts, for forming
          screw threads on bolts, etc.; one of the separate
          parts which make up such a tool.
          [1913 Webster]

   Cutting die (Mech.), a thin, deep steel frame, sharpened to
      a cutting edge, for cutting out articles from leather,
      cloth, paper, etc.

   The die is cast, the hazard must be run; the step is taken,
      and it is too late to draw back; the last chance is taken.
      Diecian

The Collaborative International Dictionary of English v.0.48:

dice \dice\ (d[imac]s), n.; pl. of Die.
   Small cubes used in gaming or in determining by chance; also,
   the game played with dice. See Die, n.
   [1913 Webster]

   dice coal, a kind of coal easily splitting into cubical
      fragments. --Brande & C.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

dice \dice\ (d[imac]s), v. i. [imp. & p. p. diced (d[imac]st);
   p. pr. & vb. n. dicing.]
   To play games with dice.
   [1913 Webster]

         I . . . diced not above seven times a week. --Shak.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

dice \dice\ (d[imac]s), v. t. [imp. & p. p. Diced (d[imac]st);
   p. pr. & vb. n. Dicing.]
   1. (Cooking) To cut into small cubes; as, to slice and dice
      carrots.
      [PJC]

   2. To ornament with squares, diamonds, or cubes.
      [1913 Webster]

WordNet (r) 3.0 (2006):

dice
    n 1: a small cube with 1 to 6 spots on the six faces; used in
         gambling to generate random numbers [syn: die, dice]
    v 1: cut into cubes; "cube the cheese" [syn: cube, dice]
    2: play dice