Definition of tube:

part of speech: verb

To furnish with tubes.

part of speech: noun

A pipe; a hollow cylinder of wood, metal, or glass for conveying fluids, & c.; one of the vessels of animals or plants for conveying fluids or other substances; a telescope, particularly without the fittings.

Usage examples:

  • Well, then, it isn't a tube Gordon Randall Garrett in "The Foreign Hand Tie".

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