The Collaborative International Dictionary of English v.0.48:

Commodity \Com*mod"i*ty\, n.; pl. Commodities. [F.
   commodit['e], fr. L. commoditas. See Commode.]
   1. Convenience; accommodation; profit; benefit; advantage;
      interest; commodiousness. [Obs.]
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            Drawn by the commodity of a footpath. --B. Jonson.
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            Men may seek their own commodity, yet if this were
            done with injury to others, it was not to be
            suffered.                             --Hooker.
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   2. That which affords convenience, advantage, or profit,
      especially in commerce, including everything movable that
      is bought and sold (except animals), -- goods, wares,
      merchandise, produce of land and manufactures, etc.
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   3. A parcel or quantity of goods. [Obs.]
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            A commodity of brown paper and old ginger. --Shak.
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