Main entry: canal
Definition: long and narrow strip of water made for boats or for irrigation
Main entry: duct, canal, channel, epithelial duct
Definition: a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance
Usage: the tear duct was obstructed; the alimentary canal; poison is released through a channel in the snake's fangs
Main entry: canal
Definition: (astronomy) an indistinct surface feature of Mars once thought to be a system of channels; they are now believed to be an optical illusion
Main entry: canal, canalise, canalize
Definition: provide (a city) with a canal