From Longman Dictionary of Contemporary Englishblowtorchblow‧torch /ˈbləʊtɔːtʃ $ ˈbloʊtɔːrtʃ/ noun [countable] 
TBa piece of equipment that produces a small very hot flame, used especially for removing paint SYN blowlamp British English
TBa piece of equipment that produces a small very hot flame, used especially for removing paint SYN blowlamp British EnglishExamples from the Corpus
blowtorch• A spark occurred and the inside of the capsule turned into a blowtorch.• An alternative is a blowtorch connected by a hose to a cylinder of gas.• A flame roared under a black bucket, clean blue like a blowtorch clinging to one side.• Oh this town, with its harbor glinting like a blowtorch at the end of every alley..• But that lone bad habit burns through your writing like a blowtorch, outshining all the others.• The pyre was ablaze, ignited by a giant gas-fuelled blowtorch.• If he wanted her back, Antheil would offer to preserve her from the blowtorch.• Enter the local media; exit the welder with the blowtorch. 