What does the word tube mean?

Usage examples for tube

  1. I mean- a- that I am intensely interested in certain symptoms which-" She gently withdrew the glass tube from his lips and examined it carefully. – The Tracer of Lost Persons by Robert W. Chambers
  2. There was a table telephone at Baume's elbow; he took up the handle, put the tube to his mouth and ear, got his message answered, and then, rising, said abruptly to Sir Charles: " Come." – The Rome Express by Arthur Griffiths
  3. He began by drawing off a little of Rusty's blood in a tube, very carefully. – The Exploits of Elaine by Arthur B. Reeve
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