The Collaborative International Dictionary of English v.0.48:

Stock \Stock\ (st[o^]k), v. t. [imp. & p. p. Stocked
   (st[o^]kt); p. pr. & vb. n. Stocking.]
   1. To lay up; to put aside for future use; to store, as
      merchandise, and the like.
      [1913 Webster]

   2. To provide with material requisites; to store; to fill; to
      supply; as, to stock a warehouse, that is, to fill it with
      goods; to stock a farm, that is, to supply it with cattle
      and tools; to stock land, that is, to occupy it with a
      permanent growth, especially of grass.
      [1913 Webster]

   3. To suffer to retain milk for twenty-four hours or more
      previous to sale, as cows.
      [1913 Webster]

   4. To put in the stocks. [R.] --Shak.
      [1913 Webster]

   To stock an anchor (Naut.), to fit it with a stock, or to
      fasten the stock firmly in place.

   To stock cards (Card Playing), to arrange cards in a
      certain manner for cheating purposes; -- also called to
      stack the deck. [Cant]

   To stock down (Agric.), to sow, as plowed land, with grass
      seed, in order that it may become swarded, and produce
      grass.

   To stock up, to extirpate; to dig up.
      [1913 Webster]

WordNet (r) 3.0 (2006):

stocked
    adj 1: furnished with more than enough; "rivers well stocked
           with fish"; "a well-stocked store" [syn: stocked,
           stocked with]