- a small, liquid-fuel torch that shoots out a hot flame intensified by pressurized air: it is used to melt metal, remove old paint, etc.
- a similar device using acetylene, propane, etc. as its fuel
- A tool which projects a controlled stream of a highly flammable gas over a spark in order to produce a controlled flame.
(third-person singular simple present blowtorches, present participle blowtorching, simple past and past participle blowtorched)
- To apply a blowtorch to something.