Blowtube :: Blowtube (n.) A similar instrument, commonly of tin, used by boys for discharging paper wads and other light missiles..
Blowtube :: Blowtube (n.) 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..