D defs.my
Entry 9 senses · 2 variants Webster, 1913

Tube

/tōōb/ · IPA /tuːb/
01 n. A hollow cylinder, of any material, used for the conveyance of fluids, and for various other purposes; a pipe.
  1. 1.
    A hollow cylinder, of any material, used for the conveyance of fluids, and for various other purposes; a pipe.
  2. 2.
    A telescope.
  3. 3.
    A vessel in animal bodies or plants, which conveys a fluid or other substance.
  4. 4.
    The narrow, hollow part of a gamopetalous corolla.(Bot.)
  5. 5.
    A priming tube, or friction primer. See under Priming, and Friction.(Gun.) See: Priming, Friction
  6. 6.
    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.(Steam Boilers)
  7. 7.
    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.(Zool.) See: Tubeworm
  8. 8.
    A tunnel for a tube railway; also (Colloq.), a tube railway; a subway.(Elec. Railways) (Colloq.)
Phrases & compounds
Capillary tube — a tube of very fine bore. See Capillary.
Fire tube — a tube which forms a flue.
Tube coral — Same as Tubipore.
Tube foot — one of the ambulacral suckers of an echinoderm.
Tube plate — a flue plate. See under Flue.
Tube pouch — a pouch containing priming tubes.
Tube spinner — any one of various species of spiders that construct tubelike webs. They belong to Tegenaria, Agelena, and allied genera.
Water tube — a tube containing water and surrounded by flame or hot gases.
02 v. t. To furnish with a tube; as, to tube a well.
imp. & p. p. Tubed; p. pr. & vb. n. Tubing
  1. 1.
    To furnish with a tube; as, to tube a well.