Definition of fire-setting in US English:

fire-setting

noun

  • 1The softening or cracking of a rock face to facilitate excavation, by exposing it to a wood fire built close against it.

  • 2The action or practice of starting a fire; especially the setting of fires as a malicious or criminal act; arson.

adjective

  • That starts a fire; especially that sets fires as a malicious or criminal act.

Origin

Early 19th century. From fire + setting<br>mid 19th century; earliest use found in Cobbett's Weekly Political Register. From fire + setting, present participle of set.

Pronunciation

fire-setting

/ˈfʌɪəsɛtɪŋ/