What is the meaning of fuse?

noun

• An electrical device that can interrupt the flow of electrical current when it is overloaded.
  • synonyms: electrical fuse, safety fuse
• Any igniter that is used to initiate the burning of a propellant.
  • synonyms: fuze, fusee, fuzee, primer, priming

verb

• Mix together different elements.
  • usage: "The colors blend well"
  • synonyms: blend, flux, mix, conflate, commingle, immix, coalesce, meld, combine, merge
• Become plastic or fluid or liquefied from heat.
  • usage: "The substances fused at a very high temperature"
• Equip with a fuse; provide with a fuse.
• Make liquid or plastic by heating.
  • usage: "The storm fused the electric mains"