The Collaborative International Dictionary of English v.0.48:

Vinaigrette \Vin`ai*grette"\, n. [F., fr. vinaigre vinegar.]
   1. (Cookery) A sauce, made of vinegar, oil, and other
      ingredients, -- used esp. for cold meats.
      [1913 Webster]

   2. A small perforated box for holding aromatic vinegar
      contained in a sponge, or a smelling bottle for smelling
      salts; -- called also vinegarette.
      [1913 Webster]

   3. A small, two-wheeled vehicle, like a Bath chair, to be
      drawn or pushed by a boy or man. [R.]
      [1913 Webster]

WordNet (r) 3.0 (2006):

vinaigrette
    n 1: oil and vinegar with mustard and garlic [syn: French
         dressing, vinaigrette, sauce vinaigrette]