An artificial open waterway used for transportation, waterpower, or irrigation.
long and narrow strip of water made for boats or for irrigation
(astronomy) an indistinct surface feature of Mars once thought to be a system of channels; they are now believed to be an optical illusion
provide with a canal, as of a city
a bodily passage or tube conveying a secretion or other substance
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"
provide (a city) with a canal
a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance