Tube

English Meaning

A hollow cylinder, of any material, used for the conveyance of fluids, and for various other purposes; a pipe.

1. A hollow cylinder, especially one that conveys a fluid or functions as a passage.
2. An organic structure having the shape or function of a tube; a duct: a bronchial tube.
3. A small flexible cylindrical container sealed at one end and having a screw cap at the other, for pigments, toothpaste, or other pastelike substances.
4. Music The cylindrical part of a wind instrument.
5. Electronics An electron tube.
6. Electronics A vacuum tube.
7. Botany The lower, cylindrical part of a gamopetalous corolla or a gamosepalous calyx.
8. Chiefly British An underground railroad tunnel.
9. Chiefly British An underground railroad system, especially the one in London, England.
10. A tunnel.
11. An inner tube.
12. An inflatable tube or cushion made of rubber or plastic and used for recreational riding, as behind a motor boat or down a snow-covered slope.
13. Informal Television: What's on the tube?
14. Informal A television set.
15. Informal The fallopian tubes.
16. To provide with a tube; insert a tube in.
17. To place in or enclose in a tube.
18. To ride or float on an inflated tube for recreation.
19. tubes Slang Into a state of failure or ruin: saw her plans go down the tubes.