The Collaborative International Dictionary of English v.0.48:

Salmagundi \Sal`ma*gun"di\, n. [F. salmigondis, of uncertain
   origin; perhaps from L. salgama condita, pl.; salgama pickles
   + condita preserved (see Condite); or from the Countess
   Salmagondi, lady of honor to Maria de Medici, who is said to
   have invented it; or cf. It. salame salt meat, and F. salmis
   a ragout.]
   1. A mixture of chopped meat and pickled herring, with oil,
      vinegar, pepper, and onions. --Johnson.
      [1913 Webster]

   2. Hence, a mixture of various ingredients; an olio or
      medley; a potpourri; a miscellany. --W. Irving.
      [1913 Webster]

WordNet (r) 3.0 (2006):

salmagundi
    n 1: a collection containing a variety of sorts of things; "a
         great assortment of cars was on display"; "he had a variety
         of disorders"; "a veritable smorgasbord of religions" [syn:
         assortment, mixture, mixed bag, miscellany,
         miscellanea, variety, salmagundi, smorgasbord,
         potpourri, motley]
    2: cooked meats and eggs and vegetables usually arranged in rows
       around the plate and dressed with a salad dressing