canal
     n 1: astronomy an indistinct surface feature of mars once
          thought to be a system of channels; they are now
          believed to be an optical illusion
     2: a bodily passage or tube lined with epithelial cells and
        conveying a secretion or other substance; "the tear duct
        was obstructed"; "the alimentary canal"; "poison is
        released through a channel in the snake's fangs" syn: duct,
         epithelial duct, channel
     3: long and narrow strip of water made for boats or for
        irrigation
     v : provide a city with a canal syn: canalize, canalise
     also: canalling, canalled
see also:
duct epithelial duct channel canalize canalise canalling 
canalled 

canalling
     see canal
see also:
canal