The Collaborative International Dictionary of English v.0.48:

Inventory \In"ven*to*ry\, n.; pl. Inventories. [L.
   inventarium: cf. LL. inventorium, F. inventaire, OF. also
   inventoire. See Invent.]
   1. An account, catalogue, or schedule, made by an executor or
      administrator, of all the goods and chattels, and
      sometimes of the real estate, of a deceased person; a list
      of the property of which a person or estate is found to be
      possessed; hence, an itemized list of goods or valuables,
      with their estimated worth. Hence: Any listing, as in a
      catalogue, of objects or resources on hand and available
      for use or for sale. Specifically, the annual account
      listing the stock on hand, taken in any business.
      [1913 Webster]

            There take an inventory of all I have. --Shak.

   2. The objects contained on an inventory[1]; especially: the
      stock of items on hand in any business, either for sale
      and not yet sold, or kept as raw materials to be converted
      into finished products.
      [PJC]

   3. The total value of all goods in an inventory[2].
      [PJC]

   4. The act of making an inventory[1].
      [PJC]

   Syn: List; register; schedule; catalogue. See List.
        [1913 Webster]