The Collaborative International Dictionary of English v.0.48:

Succade \Suc"cade\, n. [L. succus, sucus, juice: cf. F. succade
   a sugarbox. Cf. Sucket.]
   1. A sweetmeat. [Obs.] --Holland.
      [1913 Webster]

   2. pl. (Com.) Sweetmeats, or preserves in sugar, whether
      fruit, vegetables, or confections. --Blakely.
      [1913 Webster]

   Succade gourd. (Bot.) Same as Vegetable marrow, under
      Vegetable.
      [1913 Webster]

WordNet (r) 3.0 (2006):

succade
    n 1: fruit cooked in sugar syrup and encrusted with a sugar
         crystals [syn: candied fruit, succade, crystallized
         fruit]