The Collaborative International Dictionary of English v.0.48:

Park \Park\, v. t. [imp. & p. p. Parked; p. pr. & vb. n.
   Parking.]
   1. To inclose in a park, or as in a park.
      [1913 Webster]

            How are we parked, and bounded in a pale. --Shak.
      [1913 Webster]

   2. (Mil.) To bring together in a park, or compact body; as,
      to park artillery, wagons, automobiles, etc.
      [Webster 1913 Suppl.]

   3. In oyster culture, to inclose in a park.
      [Webster 1913 Suppl.]

   4. To bring (a vehicle) to a stop and leave it standing; --
      typically a parked vehicle is off of the public road, the
      motor is not running, and the driver has left the vehicle.

   Note: a vehicle stopped but still running with the driver in
         it is said to be standing. parallel-park [PJC]

   5. To place (an object) in a temporary location; as, to park
      oneself on the couch; to park one's money in a mutual
      fund. [informal]
      [PJC]

The Collaborative International Dictionary of English v.0.48:

parking \parking\ n.
   The act of maneuvering a vehicle into a location where it can
   be left temporarily.
   [WordNet 1.5]

   2. A space or spaces in which a vehicle can be parked; as,
      there is plenty of parking behind the store.
      [WordNet 1.5]

WordNet (r) 3.0 (2006):

parking
    n 1: space in which vehicles can be parked; "there is plenty of
         parking behind the store"
    2: the act of maneuvering a vehicle into a location where it can
       be left temporarily