The Collaborative International Dictionary of English v.0.48:

Dish \Dish\ (d[i^]sh), n. [AS. disc, L. discus dish, disc,
   quoit, fr. Gr. di`skos quoit, fr. dikei^n to throw. Cf.
   Dais, Desk, Disc, Discus.]
   1. A vessel, as a platter, a plate, a bowl, used for serving
      up food at the table.
      [1913 Webster]

            She brought forth butter in a lordly dish. --Judg.
                                                  v. 25.
      [1913 Webster]

   2. The food served in a dish; hence, any particular kind of
      food, especially prepared food; as, a cold dish; a warm
      dish; a delicious dish. "A dish fit for the gods." --Shak.

            Home-home dishes that drive one from home. --Hood.
      [1913 Webster]

   3. The state of being concave, or like a dish, or the degree
      of such concavity; as, the dish of a wheel.
      [1913 Webster]

   4. A hollow place, as in a field. --Ogilvie.
      [1913 Webster]

   5. (Mining)
      (a) A trough about 28 inches long, 4 deep, and 6 wide, in
          which ore is measured.
      (b) That portion of the produce of a mine which is paid to
          the land owner or proprietor.
          [1913 Webster]

   6. anything with a discoid and concave shape, like that of a
      dish.
      [PJC]

   7. an electronic device with a concave reflecting surface
      which focuses reflected radio waves to or from a point,
      used as a receiving or transmitting antenna; also called
      dish antenna. The dish is often shaped as a paraboloid
      so as to achieve a high sensitivity and enable reception
      of weak signals when used as a receiving antenna, or to
      focus transmitted signals into a narrow beam when used as
      a transmitting antenna.

   Syn: dish aerial, dish antenna, saucer. [PJC]

   8. a very attractive woman or young lady, especaially one
      sexually attractive; -- sometimes considered offensive and
      sexist; as, the departmental secretary is quite a dish.
      [slang]

   Syn: smasher, stunner, knockout, beauty, sweetheart, peach,
        lulu, looker, mantrap, dish. [WordNet 1.5 + PJC]

   9. a favorite activity, or an activity at which one excels.
      [slang]

   Syn: cup of tea, bag. [WordNet 1.5 + PJC]

   10. the quantity that a dish will hold, or a dish filled with
       some material.

   Syn: dishful. [WordNet 1.5 + PJC]

   satellite dish a dish antenna used to receive signals from
      or to transmit signals to a satellite which transmits or
      receives radio signals. In most common usage, it refers to
      small dish antennas used to receive television programs
      broadcast from geostationary satellites.
      [PJC]

The Collaborative International Dictionary of English v.0.48:

Dish \Dish\, v. t. [imp. & p. p. Dished; p. pr. & vb. n.
   Dishing.]
   1. To put in a dish, ready for the table.
      [1913 Webster]

   2. To make concave, or depress in the middle, like a dish;
      as, to dish a wheel by inclining the spokes.
      [1913 Webster]

   3. To frustrate; to beat; to ruin. [Low]
      [1913 Webster]

   4. to talk about (a person) in a disparaging manner; to
      gossip about (a person); as, the secretaries spent their
      break time dishing the newest employee. [slang]
      [PJC]

   To dish out.

   1. To serve out of a dish; to distribute in portions at
      table.

   2. (Arch.) To hollow out, as a gutter in stone or wood.

   2. to dispense freely; -- also used figuratively; as, to dish
      out punishment; to dish out abuse or insult.

   To dish up, to take (food) from the oven, pots, etc., and
      put in dishes to be served at table.
      [1913 Webster]

WordNet (r) 3.0 (2006):

dish
    n 1: a piece of dishware normally used as a container for
         holding or serving food; "we gave them a set of dishes for
         a wedding present"
    2: a particular item of prepared food; "she prepared a special
       dish for dinner"
    3: the quantity that a dish will hold; "they served me a dish of
       rice" [syn: dish, dishful]
    4: a very attractive or seductive looking woman [syn: smasher,
       stunner, knockout, beauty, ravisher, sweetheart,
       peach, lulu, looker, mantrap, dish]
    5: directional antenna consisting of a parabolic reflector for
       microwave or radio frequency radiation [syn: dish, dish
       aerial, dish antenna, saucer]
    6: an activity that you like or at which you are superior;
       "chemistry is not my cup of tea"; "his bag now is learning to
       play golf"; "marriage was scarcely his dish" [syn: cup of
       tea, bag, dish]
    v 1: provide (usually but not necessarily food); "We serve meals
         for the homeless"; "She dished out the soup at 8 P.M.";
         "The entertainers served up a lively show" [syn: serve,
         serve up, dish out, dish up, dish]
    2: make concave; shape like a dish