tube

Meanings

1. 1
   noun

   A long, hollow object shaped like a pipe.

   The doctor passed a thin tube down the patient's throat.

2. 2
   noun

   A soft container with a screw cap that you squeeze to push out a paste or cream.

   I need to buy a new tube of toothpaste.

3. 3
   noun

   The underground railway system in London.

   I took the tube to Waterloo and walked the rest of the way.

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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