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 flareback

Historical Examples of flareback