Home › Words › F › flarerflarerflarer means that which flares.EtymologyFrom flare + -er.nounThat which flares.e.g.“We recognize the same pattern as in the left panel, with dM stars being much less frequent flarers than dMe stars of similar luminosity.” — 2012, O. Havnes, B. R. Pettersen, J. H. M. M. Schmitt, Activity in Cool Star Envelopes: Proceedings, page 56:Definitions & examples from Wiktionary (CC BY-SA 3.0).