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

Moby Thesaurus II by Grady Ward, 1.0:

51 Moby Thesaurus words for "salmagundi":
   Caesar salad, Jell-O salad, Waldorf salad, all sorts, ambrosia,
   aspic, assemblage, assortment, broad spectrum, chef salad,
   cole slaw, combination salad, conglomeration, crab Louis,
   fruit salad, gallimaufry, green salad, hash, herring salad,
   hodgepodge, hotchpot, hotchpotch, jumble, macaroni salad, magpie,
   mash, medley, melange, mess, mingle-mangle, miscellany, mishmash,
   mix, mixed bag, odds and ends, olio, olla podrida, omnium-gatherum,
   pasticcio, pastiche, patchwork, potato salad, potpourri, salad,
   salade, sauce, scramble, slaw, stew, tossed salad, what you will