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Added 9 October 2026

tube

/tuːb/ noun

In Latin: tubus Wiktionary

noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about tube at Wordnik → Where our words come from →

Conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases.
Electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope.
A hollow cylindrical shape.

verb

Provide with a tube or insert a tube into.
Convey in a tube.
inside Paris, they used to tube mail
Ride or float on an inflated tube.
We tubed down the river on a hot summer day

Origin

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.

From Wiktionary, via Kaikki.org (CC BY-SA)

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