The Collaborative International Dictionary of English v.0.48:

Dessert \Des*sert"\, n. [F., fr. desservir to remove from table,
   to clear the table; pref. des- (L. dis-) + servir to serve,
   to serve at table. See Serve.]
   A service of pastry, fruits, or sweetmeats, at the close of a
   feast or entertainment; pastry, fruits, etc., forming the
   last course at dinner.
   [1913 Webster]

         "An 't please your honor," quoth the peasant,
         "This same dessert is not so pleasant."  --Pope.
   [1913 Webster]

   Dessert spoon, a spoon used in eating dessert; a spoon
      intermediate in size between a teaspoon and a tablespoon.


   Dessert-spoonful, n., pl. Dessert-spoonfuls, as much as a
      dessert spoon will hold, usually reckoned at about two and
      a half fluid drams.
      [1913 Webster]

WordNet (r) 3.0 (2006):

dessert spoon
    n 1: a spoon larger than a teaspoon and smaller than a
         tablespoon