Source : Webster's Revised Unabridged Dictionary (1913)

Meringue \Me`ringue"\ (F. ?; E. ?), n. [F.]
   A delicate pastry made of powdered sugar and the whites of
   eggs whipped up, -- with jam or cream added.

Source : WordNet®

meringue
     n : sweet topping especially for pies made of beaten egg whites
         and sugar