arsonite

Noun

1. An arsonist.
   • The fireman knows the marks of the arsonite. If there are any footprints left behind, he will discern them at once. - 1917, Proceedings of the annual meeting of the Fire Underwriters' Association of the Pacific:
   • Incendiarism is a major fire problem in many cities; Mr. Fairtrace here recommends needed changes in insurance and fire protection methods. […] the experienced arsonite could expect at least $1,000 profit on each fire....