[1] : The Collaborative International Dictionary of English v.0.48

canal \canal"\, n. f. canal, from l. canalis canal, channel;
   prob. from a root signifying "to cut"; cf. d. kanaal, fr. the
   french. cf. channel, kennel gutter.
   1913 webster
   1. an artificial channel filled with water and designed for
      navigation, or for irrigating land, etc.
      1913 webster

   2. anat. a tube or duct; as, the alimentary canal; the
      semicircular canals of the ear.
      1913 webster

   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
      webster 1913 suppl.

   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.
      1913 webster
see also:
channel kennel canal boat canal lock lock 

[2] : WordNet (r) 2.0

canal boat
     n : a long narrow boat used on canals to carry freight syn: narrow
         boat, narrowboat
see also:
narrow boat narrowboat 

Boat >> B Words
Boat, definition of term: Boat
boat_pag1.html

Canal >> C Words
Canal, definition of term: Canal
canal_pag1.html

Erie Canal >> E Words
Erie Canal, definition of term: Erie Canal
erie+canal_pag1.html

Ear Canal >> E Words
Ear Canal, definition of term: Ear Canal
ear+canal_pag1.html

Auditory Canal >> A Words
Auditory Canal, definition of term: Auditory Canal
auditory+canal_pag1.html