D defs.my
Entry 3 senses Webster, 1913

Canal

/kən-ăl'/ · Ca·nal · IPA /kəˈnæl/
01 n. An artificial channel filled with water and designed for navigation, or for irrigating land, etc.
  1. 1.
    An artificial channel filled with water and designed for navigation, or for irrigating land, etc.
  2. 2.
    A tube or duct; as, the alimentary canal; the semicircular canals of the ear.(Anat.)
  3. 3.
    A long and relatively narrow arm of the sea, approximately uniform in width; -- used chiefly in proper names; as, Portland Canal; Lynn Canal.[Alaska]
Phrases & compounds
Canal boat — a boat for use on a canal; esp. one of peculiar shape, carrying freight, and drawn by horses walking on the towpath beside the canal.
Canal lock — See Lock.