Definition of Tube


  • 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'"
    - subway system
  • (anatomy) any hollow cylindrical body structure
    - tube shaped structure
  • a hollow cylindrical shape
  • electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope
    - vacuum tube - thermionic vacuum tube - thermionic tube - electron tube - thermionic valve
  • conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases


  • place or enclose in a tube
  • ride or float on an inflated tube
    "We tubed down the river on a hot summer day"
  • convey in a tube
    "inside Paris, they used to tube mail"
  • provide with a tube or insert a tube into
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.

Word games points for the Tube

  • Scrabble® score of the tube (6)
  • Word Chums® score of the tube (8)
  • Words With Friends® score of the tube (8)

Unscramble tube

10 unscramble word found using the letters tube.

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