tube (t b, ty b)n.1. a. A hollow cylinder, especially one that conveys a fluid or functions as a passage. b. An organic structure having the shape or function of a tube; a duct: a bronchial tube. 2. A small flexible cylindrical container sealed at one end and having a screw cap at the other, for pigments, toothpaste, or other pastelike substances. 3. Music The cylindrical part of a wind instrument. 4. Electronics a. An electron tube. b. A vacuum tube. 5. Botany The lower, cylindrical part of a gamopetalous corolla or a gamosepalous calyx. 6. Chiefly British a. An underground railroad tunnel. b. An underground railroad system, especially the one in London, England. 7. A tunnel. 8. a. An inner tube. b. 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. 9. Informal a. Television: What's on the tube? b. A television set. 10. tubes Informal The fallopian tubes. v. tubed, tub·ing, tubes v.tr.1. To provide with a tube; insert a tube in. 2. To place in or enclose in a tube. v.intr. To ride or float on an inflated tube for recreation. Idiom: down the tubes/tube Slang Into a state of failure or ruin: saw her plans go down the tubes.
[French, from Old French, from Latin tubus.] |
ThesaurusLegend: Synonyms Related Words Antonyms | Adj. | 1. | tubed - of a tire; having an inner tube tubeless - of a tire; not needing an inner tube |
How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
|