1. tube - Noun
2. tube - Verb
3. Tube - Proper noun
A hollow cylinder, of any material, used for the conveyance of fluids, and for various other purposes; a pipe.
A telescope.
A vessel in animal bodies or plants, which conveys a fluid or other substance.
The narrow, hollow part of a gamopetalous corolla.
A priming tube, or friction primer. See under Priming, and Friction.
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.
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.
One of the siphons of a bivalve mollusk.
To furnish with a tube; as, to tube a well.
Source: Webster's dictionaryThe difference between writing a book and being on television is the difference between conceiving a child and having a baby made in a test tube. Norman Mailer
Even crushed against his brother in the Tube the average Englishman pretends desperately that he is alone. Germaine Greer
There is always a little more toothpaste in the tube. Think about it. Bill Bryson
A transition is taking place in Egypt. In my judgement, there is no going back. I think the old expression, "They're not going to put the toothpaste back in the tube on this one.”. Stephen Harper
.. emotion that I experienced on first seeing the fresh paint come out of the tube.... the impression of colours strewn over the palette: of colours – alive, waiting, as yet unseen and hidden in their little tubes.. Wassily Kandinsky
If a bamboo tube makes a loud sound, it is empty. Filipino Proverb