Source : Webster's Revised Unabridged Dictionary (1913)

Fuse \Fuse\, v. i.
   1. To be reduced from a solid to a Quid state by heat; to be
      melted; to melt.

   2. To be blended, as if melted together.

   {Fusing point}, the degree of temperature at which a
      substance melts; the point of fusion.