Definitions of fuse:

• noun:   any igniter that is used to initiate the burning of a propellant
• noun:   electrical device that can interrupt the flow of electrical current when it is overloaded
• verb:   make liquid or plastic by heating

  Example: "The storm fused the electric mains"

• verb:   become plastic or fluid or liquefied from heat

  Example: "The substances fused at a very high temperature"

• verb:   equip with a fuse; provide with a fuse
• verb:   mix together different elements
• name:  A surname (very rare: popularity rank in the U.S.: #63977)