- a hollow, usually cylindrical body of metal, glass, rubber, or other material, used especially for conveying or containing liquids or gases.
- a small, collapsible, cylinder of metal or plastic sealed at one end and having a capped opening at the other from which paint, toothpaste, or some other semifluid substance may be squeezed.
- any hollow, cylindrical vessel or organ: the bronchial tubes.
- Botany.
- any hollow, elongated body or part.
- the united lower portion of a gamopetalous corolla or a gamosepalous calyx.
- inner tube.
- electron tube.
- Informal.
- television.
- a television set.
- mailing tube.
- the tubular tunnel in which an underground railroad runs.
- the railroad itself.
- the curled hollow formed on the underside of a cresting wave.
- subway (def. 1).
- a can of beer.
- a telescope.
- to furnish with a tube or tubes.
- to convey or enclose in a tube.
- to form into the shape of a tube; make tubular.
- into a ruined, wasted, or abandoned state or condition.
- a long hollow and typically cylindrical object, used for the passage of fluids or as a container
- a collapsible cylindrical container of soft metal or plastic closed with a cap, used to hold viscous liquids or pastes
- anatomy
- short for Eustachian tube, Fallopian tube
- any hollow cylindrical structure
- botany
- the lower part of a gamopetalous corolla or gamosepalous calyx, below the lobes
- any other hollow structure in a plant
- the tube British
- an underground railway system
- the tunnels through which the railway runs
- the train itself
- the London underground railway system
- electronics
- another name for valve (def. 3)
- See electron tube, cathode-ray tube, television tube
- a television set
- a stupid or despicable person
- a bottle or can of beer
- the cylindrical passage formed when a wave breaks and the crest tips forward
- an archaic word for telescope
- to fit or supply with a tube or tubes
- to carry or convey in a tube
- to shape like a tube
