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7 definitions found
 for Tube
From The Collaborative International Dictionary of English v.0.48 :

  Subway \Sub"way`\, n.
     1. An underground way or gallery; especially, a passage under
        a street, in which water mains, gas mains, telegraph
        wires, etc., are conducted.
        [1913 Webster]
     2. An underground railroad, usually having trains powered by
        electricity provided by an electric line running through
        the underground tunnel. It is usually confined to the
        center portion of cities; -- called also tube, and in
        Britain, underground. In certain other countries (as in
        France or Russia) it is called the metro.

From 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
        [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
     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]

From The Collaborative International Dictionary of English v.0.48 :

  Tube \Tube\, v. t. [imp. & p. p. Tubed; p. pr. & vb. n.
     To furnish with a tube; as, to tube a well.
     [1913 Webster]

From WordNet (r) 3.0 (2006) :

      n 1: conduit consisting of a long hollow object (usually
           cylindrical) used to hold and conduct objects or liquids or
           gases [syn: tube, tubing]
      2: electronic device consisting of a system of electrodes
         arranged in an evacuated glass or metal envelope [syn:
         tube, vacuum tube, thermionic vacuum tube, thermionic
         tube, electron tube, thermionic valve]
      3: a hollow cylindrical shape [syn: pipe, tube]
      4: (anatomy) any hollow cylindrical body structure [syn: tube,
         tube-shaped structure]
      5: an electric railway operating below the surface of the ground
         (usually in a city); "in Paris the subway system is called
         the `metro' and in London it is called the `tube' or the
         `underground'" [syn: metro, tube, underground, subway
         system, subway]
      v 1: provide with a tube or insert a tube into
      2: convey in a tube; "inside Paris, they used to tube mail"
      3: ride or float on an inflated tube; "We tubed down the river
         on a hot summer day"
      4: place or enclose in a tube

From Moby Thesaurus II by Grady Ward, 1.0 :

  194 Moby Thesaurus words for "tube":
     Amtrak, L, Photronic cell, adjutage, amplifier, anode, attenuator,
     audio-frequency tube, baggage train, ballast regulator,
     ballast tube, barrel, base, beam-switching tube, bole, branch,
     cable railroad, cable railway, cask, catheter, cathode,
     cathode-ray tube, channel, choo-choo, cog railroad, cog railway,
     color kinescope, column, convertor, current regulator, cylinder,
     cylindroid, damper, detector, direct-viewing tube, discharge tube,
     discriminator, dissector tube, doubler, drainpipe, drum,
     efflux tube, el, electric, electric railway, electric train,
     electrode, electron-image tube, elevated, elevated railway,
     embankment, express, express train, feeder, feeder line, filament,
     fire hose, flier, flue pipe, flume, focus tube, freight,
     freight train, freighter, funicular, funnel, garden hose,
     gas phototube, gas pipe, generator, goods train,
     gravity-operated railway, grid, horse railway, hose, hosepipe,
     iconoscope, image dissector, image iconoscope, interurban,
     inverter, junction, kinescope, light railroad, lightning express,
     limited, limiter, line, local, local-oscillator tube, main line,
     metro, milk train, mixer tube, modulator, monorail, monoscope,
     multiplier, multiplier phototube, multipurpose tube, multivibrator,
     nipple, organ pipe, oscillator, output tube, parliamentary,
     parliamentary train, passenger train, phase inverter, photocathode,
     photoconductor cell, photomultiplier tube, phototube,
     photovoltaic cell, picture tube, pillar, pipe, pipeline, pipette,
     piping, plate, power tube, pulse generator, put through channels,
     rack railway, rack-and-pinion railroad, rack-and-pinion railway,
     radio tube, radio-frequency tube, rail, rail line, railroad,
     railroad train, railway, rattler, receiving tube, rectifier tube,
     reed, reed pipe, regulator, repeater, roadbed, roadway, roll,
     roller, rolling stock, rouleau, shuttle, shuttle train, siamese,
     siamese connection, sidetrack, siding, siphon, snorkel,
     soft phototube, soil pipe, special, standpipe, steam pipe, stem,
     straw, streamliner, street railway, streetcar line, subway,
     switchback, tap, terminal, terminus, track, train, tram, tramline,
     transducer, trestle, trigatron, trigger tube, trolley line, trunk,
     trunk line, tubing, tubulation, tubule, tubulet, tubulure, turnout,
     underground, vacuum phototube, vacuum tube, valve, waste pipe,
     water pipe, way train

From The Jargon File (version 4.4.7, 29 Dec 2003) :

      1. n. A CRT terminal. Never used in the mainstream sense of TV; real
      hackers don't watch TV, except for Looney Toons, Rocky & Bullwinkle, Trek
      Classic, the Simpsons, Babylon 5, and the occasional cheesy old
      swashbuckler movie.
      2. [IBM] To send a copy of something to someone else's terminal. ?Tube me
      that note??

From The Free On-line Dictionary of Computing (30 December 2018) :

     1.  A CRT terminal.  Never used in the mainstream
     sense of TV; real hackers don't watch TV, except for Loony
     Toons, Rocky & Bullwinkle, Trek Classic, the Simpsons, and the
     occasional cheesy old swashbuckler movie.
     2.  electron tube.
     3.  (IBM) To send a copy of something to someone
     else's terminal.  "Tube me that note."
     [{Jargon File]

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