General Definition: 1. Any device with a nozzle and a thumb trigger that can be used to emit compressed gas, liquid or flame onto a surface, or any thing or any action that can be easily associated with this in context. As a Noun: 1. A device with a nozzle and a thumb trigger that can be used to emit burning gas. English = blowtorch. As a Verb or Adjective: 1. To caramelise the top of a dish (a dessert, for example) using a small handheld blowtorch. English = flame. Note: 1. This sign is recommended for ‘flame’ by DeafConnectED, Melbourne Polytechnic.