The Collaborative International Dictionary of English v.0.48:

Soup \Soup\, n. [F. soupe, OF. sope, supe, soupe, perhaps
   originally, a piece of bread; probably of Teutonic origin;
   cf. D. sop sop, G. suppe soup. See Sop something dipped in
   a liquid, and cf. Supper.]
   A liquid food of many kinds, usually made by boiling meat and
   vegetables, or either of them, in water, -- commonly seasoned
   or flavored; strong broth.
   [1913 Webster]

   Soup kitchen, an establishment for preparing and supplying
      soup to the poor.

   Soup ticket, a ticket conferring the privilege of receiving
      soup at a soup kitchen.
      [1913 Webster]

WordNet (r) 3.0 (2006):

soup kitchen
    n 1: a place where food is dispensed to the needy