#1
canal n. (astronomy) an indistinct surface feature of Mars once thought to be a system of channels; they are now believed to be an optical illusion
. wn #2
canal v. [
canalize, canalise] provide (a city) with a canal
. wn #3
canal n. [
duct, epithelial duct, channel] 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"
. wn #4
canal n. long and narrow strip of water made for boats or for irrigation
. wn