[1] : The Collaborative International Dictionary of English v.0.48

tube \tube\, n. l. tubus; akin to tuba a trumpet: cf f. tube.
   1. a hollow cylinder, of any material, used for the
      conveyance of fluids, and for various other purposes; a
      pipe.
      1913 webster

   2. a telescope. "glazed optic tube." --milton.
      1913 webster

   3. a vessel in animal bodies or plants, which conveys a fluid
      or other substance.
      1913 webster

   4. bot. the narrow, hollow part of a gamopetalous corolla.
      1913 webster

   5. gun. a priming tube, or friction primer. see under
      priming, and friction.
      1913 webster

   6. steam boilers 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.
      1913 webster

   7. zool.
      a 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.
      b one of the siphons of a bivalve mollusk.
          1913 webster

   8. elec. railways a tunnel for a tube railway; also
      colloq., a tube railway; a subway. chiefly eng.

   note: in the new york area, the subways running under the
         hudson river are sometimes referred to as the tube.
         webster 1913 suppl. +pjc

   capillary tube, a tube of very fine bore. see capillary.
      

   fire tube steam boilers, a tube which forms a flue.

   tube coral. zool. same as tubipore.

   tube foot zool., one of the ambulacral suckers of an
      echinoderm.

   tube plate, or tube sheet steam boilers, a flue plate.
      see under flue.

   tube pouch mil., a pouch containing priming tubes.

   tube spinner zool., any one of various species of spiders
      that construct tubelike webs. they belong to tegenaria,
      agelena, and allied genera.

   water tube steam boilers, a tube containing water and
      surrounded by flame or hot gases.
      1913 webster
see also:
priming friction tubeworm capillary tube capillary fire tube 
tube coral tubipore tube foot tube plate tube sheet 
flue tube pouch tube spinner tegenaria agelena 
water tube 

[2] : WordNet (r) 2.0

tube foot
     n : tentacular tubular process of most echinoderms starfish and
         sea urchins and holothurians having a sucker at the end
         and used for e.g. locomotion and respiration

Foot >> F Words
Foot, definition of term: Foot
foot_pag1.html

Draft Tube >> D Words
Draft Tube, definition of term: Draft Tube
draft+tube_pag1.html

Draught Tube >> D Words
Draught Tube, definition of term: Draught Tube
draught+tube_pag1.html

Fallopian Tube >> F Words
Fallopian Tube, definition of term: Fallopian Tube
fallopian+tube_pag1.html

Cubic Foot >> C Words
Cubic Foot, definition of term: Cubic Foot
cubic+foot_pag1.html

Eustachian Tube >> E Words
Eustachian Tube, definition of term: Eustachian Tube
eustachian+tube_pag1.html

Capillary Tube >> C Words
Capillary Tube, definition of term: Capillary Tube
capillary+tube_pag1.html

Big Foot >> B Words
Big Foot, definition of term: Big Foot
big+foot_pag1.html

Board Foot >> B Words
Board Foot, definition of term: Board Foot
board+foot_pag1.html

Boob Tube >> B Words
Boob Tube, definition of term: Boob Tube
boob+tube_pag1.html

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