Canal - Definition
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, canal, channel]
3: long and narrow strip of water made for boats or for
irrigation
v 1: provide (a city) with a canal [syn: canal, canalize,
canalise]