Source : Webster's Revised Unabridged Dictionary (1913)

Fondant \Fon"dant\, n. [F., lit., melting, p.pr. of fondre to
   melt, L. fundre. See {Found} to cast.]
   A kind of soft sweetmeat made by boiling solutions to the
   point of crystallization, usually molded; as, cherry fondant.

Source : WordNet®

fondant
     n : candy made of a thick creamy sugar paste