- a blast of flame that sometimes issues from the breech of a large gun or cannon when it is opened after firing.
- 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
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.The Iron Boys in the Steel Mills
James R. Mears