The Collaborative International Dictionary of English v.0.48:

Chocolate \Choc"o*late\, n. [Sp., fr. the Mexican name of the
   cacao. Cf. Cacao, Cocoa.]
   1. A paste or cake composed of the roasted seeds of the
      Theobroma Cacao ground and mixed with other ingredients,
      usually sugar, and cinnamon or vanilla.
      [1913 Webster]

   2. The beverage made by dissolving a portion of the paste or
      cake in boiling water or milk.
      [1913 Webster]

   Chocolate house, a house in which customers may be served
      with chocolate.

   Chocolate nut. See Cacao.
      [1913 Webster]