A hollow
cylinder, of any material, used for the conveyance of fluids, and for
various other purposes; a pipe.
A telescope.
A vessel in animal bodies or plants, which
conveys a fluid or other substance.
The narrow, hollow part of a
gamopetalous corolla.
A priming tube, or friction
primer. See under Priming, and Friction.
A small pipe forming part
of the boiler, containing water and surrounded by flame or hot gases, or
else surrounded by water and forming a flue for the gases to pass
through.
A more
or less cylindrical, and often spiral, case secreted or constructed by many
annelids, crustaceans, insects, and other animals, for protection or
concealment. See Illust. of Tubeworm.
In celebration of Noah Webster's Birthday (October 16, 2009), we have prepared an updated website. 
