1. (n.)tube a hollow, usu. cylindrical body of metal, glass, rubber, etc., used esp. for conveying or containing liquids or gases.
2. tube a small collapsible cylinder of metal or plastic sealed at one end and having a capped opening at the other from which a semifluid substance, as paint or toothpaste, may be squeezed.
3. tube any hollow, cylindrical vessel or organ: the bronchial tubes.
4. tube the elongated lower part of a united sepal or corolla of a flower.
5. tube television.
6. tube a cylindrical garment without sleeves, pockets, or closures, usu. of stretch fabric, worn as a blouse, dress, skirt, etc.
7. tube the tubular tunnel in which an underground railroad runs.
10. tube Surfing. the curled hollow formed on the underside of a cresting wave.
11. (v.t.)tube to furnish with a tube.
12. tube to convey or enclose in a tube.
13. tube to form into the shape of a tube; make tubular.
14. (v.i.)tube to float down a river on an inner tube.
15. tube down the tube(s), into a wasted or abandoned state.
Etymology: (1590–1600; < L tubus pipe)
Definition of 'Tube'
Princeton's WordNet
1. (noun)tube, tubing conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases
2. (noun)tube, vacuum tube, thermionic vacuum tube, thermionic tube, electron tube, thermionic valve electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope
3. (noun)pipe, tube a hollow cylindrical shape
4. (noun)tube, tube-shaped structure (anatomy) any hollow cylindrical body structure
5. (verb)metro, tube, underground, subway system, subway an electricrailway 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'"
6. (verb)tube provide with a tube or insert a tube into
7. (verb)tube convey in a tube "inside Paris, they used to tube mail"
8. (verb)tube ride or float on an inflated tube "We tubed down the river on a hot summer day"
1. (noun)tube a long, circular, hollow object through which liquid or gas moves the tubes leading from his nose to the oxygen tank
2. tube sth shaped like a tube the tube inside the toilet paper
3. tube a long container that you squeeze to push out what is inside a tube of toothpaste
4. tube a part inside the body that functions like a tube the tubes leading from the kidney to the bladder
Definition of 'Tube'
Webster Dictionary
1. (noun)Tube a hollow cylinder, of any material, used for the conveyance of fluids, and for various other purposes; a pipe
2. (noun)Tube a telescope
3. (noun)Tube a vessel in animal bodies or plants, which conveys a fluid or other substance
4. (noun)Tube the narrow, hollow part of a gamopetalous corolla
5. (noun)Tube a priming tube, or friction primer. See under Priming, and Friction
6. (noun)Tube 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
7. (noun)Tube 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
8. (noun)Tube one of the siphons of a bivalve mollusk
9. (verb)Tube to furnish with a tube; as, to tube a well
Definitions of 'Tube'
The New Hacker's Dictionary
1. Tube 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?”
Definitions of Tube 
Afrikaans: buis
Arabic: أُنْبوب
Bulgarian: тръба
Brazilian: tubo
Czech: trubka
German: das Rohr
Danish: rør; -rør
Greek: σωλήνας
Spanish: tubo, tubería
Estonian: toru
Farsi: لوله
Finnish: putki
French: tube, tuyau
Hebrew: צִינוֹר
Hindi: नली
Croatian: cijev
Hungarian: cső
Indonesian: pipa
Icelandic: pípa, rör, slanga
Italian: tubo
Japanese: 管
Korean: 관
Lithuanian: vamzdelis
Latvian: caurule
Malay: tiub
Dutch: buis
Norwegian: rør, slange
Polish: rur(k)a, wąż
Persian: لوله
Pashto: لوله ، ټیوب
Portuguese: tubo
Romanian: tub,ţeavă
Russian: труб(к)а
Slovak: trúbka, rúra, potrubie
Slovenian: cev
Serbian: cev
Swedish: rör, slang
Thai: ท่อ
Turkish: tüp, boru
Taiwanese: 管
Ukrainian: труба, трубка
Urdu: ٹيوب، نلکي
Vietnamese: ống
Chinese: 管
