What is the meaning of flare?

noun

• A shape that spreads outward.
  • usage: "the skirt had a wide flare"
  • synonyms: flair
• A sudden burst of flame.
• A burst of light used to communicate or illuminate.
  • synonyms: flash
• Reddening of the skin spreading outward from a focus of infection or irritation.
• A sudden recurrence or worsening of symptoms.
  • usage: "a colitis flare"; "infection can cause a lupus flare"
• A sudden eruption of intense high-energy radiation from the sun's surface; associated with sunspots and radio interference.
  • synonyms: solar flare
• Am unwanted reflection in an optical system (or the fogging of an image that is caused by such a reflection. )
• A sudden outburst of emotion.
  • usage: "she felt a flare of delight"; "she could not control her flare of rage"
• A device that produces a bright light for warning or illumination or identification.
• A short forward pass to a back who is running toward the sidelines.
  • usage: "he threw a flare to the fullback who was tackled for a loss"
  • synonyms: flare pass
• Baseball) a fly ball hit a short distance into the outfield. (

verb

• Burn brightly.
  • usage: "Every star seemed to flare with new intensity"
  • synonyms: flame up, blaze up, burn up
• Become flared and widen, usually at one end.
  • usage: "The bellbottom pants flare out"
  • synonyms: flare out
• Shine with a sudden light.
  • usage: "The night sky flared with the massive bombardment"
  • synonyms: flame
• Erupt or intensify suddenly.
  • usage: "Unrest erupted in the country"; "Tempers flared at the meeting"; "The crowd irrupted into a burst of patriotism"
  • synonyms: erupt, irrupt, flare up, break open, burst out