- The definition of a blowtube is another word for a blow pipe, which is a tube through which air or gas can be blown through in order to concentrate heat, or a tube through which darts can be blown to act as a weapon.
An example of a blowtube is a weapon that you can blow on to send darts out through the other end.
A man using a blowgun also called a blowtube.
blowtube definition by Webster's New World
- blowpipe (sense )