blowpipe
/ˈbləʊpaɪp/noun
1- a primitive weapon consisting of a long tube through which an arrow or dart is propelled by force of the breath吹矢枪（一种原始武器）。
1.1
- a long tube by means of which molten glass is blown into the required shape（吹制玻璃器皿的）吹管。
1.2
- a tube used to intensify the heat of a flame by blowing air or other gas through it at high pressure吹火管, 吹火筒。