D defs.my
Entry 3 senses Webster, 1913

Blowtube

· Blow·tube · IPA
01 n. A blowgun.
  1. 1.
    A blowgun.
  2. 2.
    A similar instrument, commonly of tin, used by boys for discharging paper wads and other light missiles.
  3. 3.
    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.(Glassmaking) Also: blowing tube, blowpipe