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Definition of canal:

  1. A long and relatively narrow arm of the sea, approximately uniform in width; - used chiefly in proper names; as, Portland Canal; Lynn Canal.
  2. A tube or duct; as, the alimentary canal; the semicircular canals of the ear.
  3. An artificial channel filled with water and designed for navigation, or for irrigating land, etc.


television channel, distribution channel, epithelial duct, canalise, duct, canalize, line, channel, transmission channel, communication channel, water.

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