Quick definitions from WordNet (flare)
▸ noun: (baseball) a fly ball hit a short distance into the outfield
▸ noun: a device that produces a bright light for warning or illumination or identification
▸ noun: a burst of light used to communicate or illuminate
▸ noun: a sudden outburst of emotion ("She felt a flare of delight")
▸ noun: am unwanted reflection in an optical system (or the fogging of an image that is caused by such a reflection)
▸ noun: a sudden burst of flame
▸ noun: a shape that spreads outward ("The skirt had a wide flare")
▸ noun: a sudden recurrence or worsening of symptoms ("A colitis flare")
▸ noun: reddening of the skin spreading outward from a focus of infection or irritation
▸ noun: a short forward pass to a back who is running toward the sidelines ("He threw a flare to the fullback who was tackled for a loss")
▸ noun: a sudden eruption of intense high-energy radiation from the sun's surface; associated with sunspots and radio interference
▸ verb: burn brightly ("Every star seemed to flare with new intensity")
▸ verb: shine with a sudden light ("The night sky flared with the massive bombardment")
▸ verb: become flared and widen, usually at one end ("The bellbottom pants flare out")
▸ verb: erupt or intensify suddenly ("Tempers flared at the meeting")
▸ Also see flare
▸ noun: (baseball) a fly ball hit a short distance into the outfield
▸ noun: a device that produces a bright light for warning or illumination or identification
▸ noun: a burst of light used to communicate or illuminate
▸ noun: a sudden outburst of emotion ("She felt a flare of delight")
▸ noun: am unwanted reflection in an optical system (or the fogging of an image that is caused by such a reflection)
▸ noun: a sudden burst of flame
▸ noun: a shape that spreads outward ("The skirt had a wide flare")
▸ noun: a sudden recurrence or worsening of symptoms ("A colitis flare")
▸ noun: reddening of the skin spreading outward from a focus of infection or irritation
▸ noun: a short forward pass to a back who is running toward the sidelines ("He threw a flare to the fullback who was tackled for a loss")
▸ noun: a sudden eruption of intense high-energy radiation from the sun's surface; associated with sunspots and radio interference
▸ verb: burn brightly ("Every star seemed to flare with new intensity")
▸ verb: shine with a sudden light ("The night sky flared with the massive bombardment")
▸ verb: become flared and widen, usually at one end ("The bellbottom pants flare out")
▸ verb: erupt or intensify suddenly ("Tempers flared at the meeting")
▸ Also see flare