The Collaborative International Dictionary of English v.0.48:

Supply \Sup*ply"\, n.; pl. Supplies.
   1. The act of supplying; supplial. --A. Tucker.
      [1913 Webster]

   2. That which supplies a want; sufficiency of things for use
      or want. Specifically:
      [1913 Webster]
      (a) Auxiliary troops or reenforcements. "My promised
          supply of horsemen." --Shak.
          [1913 Webster]
      (b) The food, and the like, which meets the daily
          necessities of an army or other large body of men;
          store; -- used chiefly in the plural; as, the army was
          discontented for lack of supplies.
          [1913 Webster]
      (c) An amount of money provided, as by Parliament or
          Congress, to meet the annual national expenditures;
          generally in the plural; as, to vote supplies.
          [1913 Webster]
      (d) A person who fills a place for a time; one who
          supplies the place of another; a substitute; esp., a
          clergyman who supplies a vacant pulpit.
          [1913 Webster]

   Stated supply (Eccl.), a clergyman employed to supply a
      pulpit for a definite time, but not settled as a pastor.
      [U.S.]

   Supply and demand. (Polit. Econ.) "Demand means the
      quantity of a given article which would be taken at a
      given price. Supply means the quantity of that article
      which could be had at that price." --F. A. Walker.
      [1913 Webster]