The Collaborative International Dictionary of English v.0.48:

Grenadine \Gren`a*dine"\, n. [F.]
   1. A thin gauzelike fabric of silk or wool, for women's wear.
      [1913 Webster]

   2. A trade name for a dyestuff, consisting essentially of
      impure fuchsine.
      [1913 Webster]

WordNet (r) 3.0 (2006):

grenadine
    n 1: thin syrup made from pomegranate juice; used in mixed
         drinks