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Webster 1913 Edition

Adj.

That flares; flaming or blazing unsteadily; shining out with a dazzling light.

His [the sun’s]

flaring

beams.

Milton.

Opening or speading outwards.

ppr.

or a.

Burning with a wavering light; fluttering; glittering; showy.

Opening; widening outward; as a flaring fireplace.

flaring

flaring ‎(plural flarings)

The act of something that flares.
- Washington Irving
  […] those shootings of stars, eclipses of the moon, howlings of dogs, and flarings of candles, carefully noted and interpreted by the oracular sibyls […]