What is the meaning of Spark?

noun

• A momentary flash of light.
  • synonyms: flicker, glint
• Merriment expressed by a brightness or gleam or animation of countenance.
  • usage: "he had a sparkle in his eye"; "there's a perpetual twinkle in his eyes"
  • synonyms: sparkle, twinkle, light
• Electrical conduction through a gas in an applied electric field.
  • synonyms: discharge, arc, electric arc, electric discharge
• A small but noticeable trace of some quality that might become stronger.
  • usage: "a spark of interest"; "a spark of decency"
• Scottish writer of satirical novels (born in 1918.
  • synonyms: Muriel Spark, Dame Muriel Spark, Muriel Sarah Spark
• A small fragment of a burning substance thrown out by burning material or by friction.

verb

• Put in motion or move to act.
  • usage: "trigger a reaction"; "actuate the circuits"
  • synonyms: trip, actuate, trigger, activate, set off, spark off, trigger off, touch off
• Emit or produce sparks.
  • usage: "A high tension wire, brought down by a storm, can continue to spark"
  • synonyms: sparkle