Blowtube

Blow´tube`

n.	1.	A blowgun.
	2.	A similar instrument, commonly of tin, used by boys for discharging paper wads and other light missiles.
	3.	(Glassmaking) A long wrought iron tube, on the end of which the workman gathers a quantity of "metal" (melted glass), and through which he blows to expand or shape it; - called also blowing tube, and blowpipe.

Thesaurus

Noun	1.	blowtube - a tube that directs air or gas into a flame to concentrate heat blow tube, blowpipe tube, tubing - conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases
	2.	blowtube - a tube through which darts can be shot by blowing blowgun, blowpipe, blow tube tube, tubing - conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases