'Blowtube' definitions:

Definition of 'blowtube'

(from WordNet)
noun
A tube that directs air or gas into a flame to concentrate heat [syn: blowtube, blow tube, blowpipe]
noun
A tube through which darts can be shot by blowing [syn: blowgun, blowpipe, blowtube, blow tube]

Definition of 'Blowtube'

From: GCIDE
  • Blowtube \Blow"tube`\, 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]

Definition of 'blowtube'

From: GCIDE
  • Blowgun \Blow"gun`\, n. A tube, as of cane or reed, sometimes twelve feet long, through which an arrow (sometimes poisoned) or other projectile may be impelled by the force of the breath. It is a weapon much used by certain Indians of America and the West Indies; -- called also blowpipe, and blowtube. See Sumpitan. [1913 Webster]