blowtube Meaning, Definition & Usage

  1. noun a tube that directs air or gas into a flame to concentrate heat
    blow tube; blowpipe.
  2. noun a tube through which darts can be shot by blowing
    blowpipe; blow tube; blowgun.

WordNet

Blow"tube` noun
Definitions
  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.

Webster 1913