blowtube

n. 1. A blowgun. Tylor. [ 1913 Webster ]

2. A similar instrument, commonly of tin, used by boys for discharging paper wads and other light missiles. [ 1913 Webster ]

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. [ 1913 Webster ]