['blәutju:b]
n.
吹火筒, 吹管

Blowtube \Blow"tube`\, n.
1. A blowgun. --Tylor.

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}.

Blowgun \Blow"gun`\, n.
A tube, as of cane or reed, sometimes twelve feet long,
through which an arrow (sometimes poisoned) or other
projectile may be impelled by the force of the breath. It is
a weapon much used by certain Indians of America and the West
Indies; -- called also {blowpipe}, and {blowtube}. See
{Sumpitan}.