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.
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