The Collaborative International Dictionary of English v.0.48:

Garden \Gar"den\ (g[aum]r"d'n; 277), n. [OE. gardin, OF. gardin,
   jardin, F. jardin, of German origin; cf. OHG. garto, G.
   garten; akin to AS. geard. See Yard an inclosure.]
   1. A piece of ground appropriated to the cultivation of
      herbs, fruits, flowers, or vegetables.
      [1913 Webster]

   2. A rich, well-cultivated spot or tract of country.
      [1913 Webster]

            I am arrived from fruitful Lombardy,
            The pleasant garden of great Italy.   --Shak.
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   Note: Garden is often used adjectively or in self-explaining
         compounds; as, garden flowers, garden tools, garden
         walk, garden wall, garden house or gardenhouse.
         [1913 Webster]

   Garden balsam, an ornamental plant (Impatiens Balsamina).


   Garden engine, a wheelbarrow tank and pump for watering
      gardens.

   Garden glass.
      (a) A bell glass for covering plants.
      (b) A globe of dark-colored glass, mounted on a pedestal,
          to reflect surrounding objects; -- much used as an
          ornament in gardens in Germany.

   Garden house
      (a) A summer house. --Beau. & Fl.
      (b) A privy. [Southern U.S.]

   Garden husbandry, the raising on a small scale of seeds,
      fruits, vegetables, etc., for sale.

   Garden mold or Garden mould, rich, mellow earth which is
      fit for a garden. --Mortimer.

   Garden nail, a cast nail, used for fastening vines to brick
      walls. --Knight.

   Garden net, a net for covering fruits trees, vines, etc.,
      to protect them from birds.

   Garden party, a social party held out of doors, within the
      grounds or garden attached to a private residence.

   Garden plot, a plot appropriated to a garden.

   Garden pot, a watering pot.

   Garden pump, a garden engine; a barrow pump.

   Garden shears, large shears, for clipping trees and hedges,
      pruning, etc.

   Garden spider, (Zool.), the diadem spider (Epeira
      diadema), common in gardens, both in Europe and America.
      It spins a geometrical web. See Geometric spider, and
      Spider web.

   Garden stand, a stand for flower pots.

   Garden stuff, vegetables raised in a garden. [Colloq.]

   Garden syringe, a syringe for watering plants, sprinkling
      them with solutions for destroying insects, etc.

   Garden truck, vegetables raised for the market. [Colloq.]


   Garden ware, garden truck. [Obs.] --Mortimer.

   Bear garden, Botanic garden, etc. See under Bear, etc.


   Hanging garden. See under Hanging.

   Kitchen garden, a garden where vegetables are cultivated
      for household use.

   Market garden, a piece of ground where vegetable are
      cultivated to be sold in the markets for table use.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Market \Mar"ket\, n. [Akin to D. markt, OHG. mark[=a]t,
   merk[=a]t, G. markt; all fr.L. mercatus trade, market place,
   fr. mercari, p. p. mercatus, to trade, traffic, merx, mercis,
   ware, merchandise, prob. akin to merere to deserve, gain,
   acquire: cf. F. march['e]. See Merit, and cf. Merchant,
   Mart.]
   1. A meeting together of people, at a stated time and place,
      for the purpose of buying and selling (as cattle,
      provisions, wares, etc.) by private purchase and sale, and
      not by auction; as, a market is held in the town every
      week; a farmers' market.
      [1913 Webster]

            He is wit's peddler; and retails his wares
            At wakes, and wassails, meetings, markets, fairs.
                                                  --Shak.
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            Three women and a goose make a market. --Old Saying.
      [1913 Webster]

   2. A public place (as an open space in a town) or a large
      building, where a market is held; a market place or market
      house; esp., a place where provisions are sold.
      [1913 Webster]

            There is at Jerusalem by the sheep market a pool.
                                                  --John v. 2.
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   3. An opportunity for selling or buying anything; demand, as
      shown by price offered or obtainable; as, to find a market
      for one's wares; there is no market for woolen cloths in
      that region; India is a market for English goods; there
      are none for sale on the market; the best price on the
      market.
      [1913 Webster +PJC]

            There is a third thing to be considered: how a
            market can be created for produce, or how production
            can be limited to the capacities of the market. --J.
                                                  S. Mill.
      [1913 Webster]

   4. Exchange, or purchase and sale; traffic; as, a dull
      market; a slow market.
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   5. The price for which a thing is sold in a market; market
      price. Hence: Value; worth.
      [1913 Webster]

            What is a man
            If his chief good and market of his time
            Be but to sleep and feed?             --Shak.
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   6. (Eng. Law) The privelege granted to a town of having a
      public market.
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   7. A specified group of potential buyers, or a region in
      which goods may be sold; a town, region, or country, where
      the demand exists; as, the under-30 market; the New Jersey
      market.
      [PJC]

   Note: Market is often used adjectively, or in forming
         compounds of obvious meaning; as, market basket, market
         day, market folk, market house, marketman, market
         place, market price, market rate, market wagon, market
         woman, and the like.
         [1913 Webster]

   Market beater, a swaggering bully; a noisy braggart. [Obs.]
      --Chaucer.

   Market bell, a bell rung to give notice that buying and
      selling in a market may begin. [Eng.] --Shak.

   Market cross, a cross set up where a market is held.
      --Shak.

   Market garden, a garden in which vegetables are raised for
      market.

   Market gardening, the raising of vegetables for market.

   Market place, an open square or place in a town where
      markets or public sales are held.

   Market town, a town that has the privilege of a stated
      public market.
      [1913 Webster]

WordNet (r) 3.0 (2006):

market garden
    n 1: a garden where fruit and vegetables are grown for marketing