1. a blast of flame that sometimes issues from the breech of a large gun or cannon when it is opened after firing.
  2. a brief, unexpected recurrence: a flareback of winter in May.

Origin of flareback

First recorded in 1900–05; noun use of verb phrase flare back
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for flare-back

Historical Examples of flare-back

  • In this way a flare-back was avoided and the oil blazed where the flame was needed.

    Inventions of the Great War

    A. Russell (Alexander Russell) Bond

  • Pig-Iron explained that a flare-back had flooded the place with molten metal, setting everything inflammable on fire.