tube.
Anything that is hollow and cylindrical in shape.
Meaning & usage
Anything that is hollow and cylindrical in shape.
An approximately cylindrical container, usually with a crimped end and a screw top, used to contain and dispense semiliquid substances.
A tube of toothpaste.
The London Underground railway system, originally referred to the lower level lines that ran in tubular tunnels as opposed to the higher ones which ran in rectangular section tunnels. (Often the tube.)
I took the tube to Waterloo and walked the rest of the way.
He took the tube to Westminster and disappeared.
The London Underground railway system, originally referred to the lower level lines that ran in tubular tunnels as opposed to the higher ones which ran in rectangular section tunnels. (Often the tube.) One of the tubular tunnels of the London Underground.
A tin can containing beer.
A wave which pitches forward when breaking, creating a hollow space inside.
A television. Compare cathode ray tube and picture tube.
An idiot.
Short for speaking tube.
Where this word comes from
From Middle French tube, from Latin tubus (“tube, pipe”), related to tuba (“long trumpet; war-trumpet”), of obscure ultimate origin, but possibly connected to tībia (“shinbone, reed-pipe”); see there. Doublet of tubus.
To supply with, or enclose in, a tube.
She tubes lipstick in the cosmetics factory.
To ride an inner tube.
They tubed down the Colorado River.
To intubate.
The patient was tubed.
Where this word comes from
From Middle French tube, from Latin tubus (“tube, pipe”), related to tuba (“long trumpet; war-trumpet”), of obscure ultimate origin, but possibly connected to tībia (“shinbone, reed-pipe”); see there. Doublet of tubus.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.