blowpipe

Short definition from Wiktionary

Noun

1. 1
   A narrow tube through which a jet of air is directed onto a flame; used in the analysis of minerals etc and in jewelry manufacture.
2. 2
   A weapon through which darts may be shot by blowing; a blowgun.
3. 3
   A long narrow pipe, rotated in the hands, upon which glassware is blown.

Verb

1. 1
   To direct air through a blowpipe.
2. 2
   To shoot with a blowpipe (weapon).