A hollow cylinder, of any material, used for the conveyance of fluids, and for various other purposes; a pipe.
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A telescope.
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A vessel in animal bodies or plants, which conveys a fluid or other substance.
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The narrow, hollow part of a gamopetalous corolla.
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A priming tube, or friction primer. See under Priming, and Friction.
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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.
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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.