1. canal - noun
· (astronomy) an indistinct surface feature of Mars once thought to be a system of channels; they are now believed to be an optical illusion
Hypernym(s): channel
2. canal - noun
· 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"
Synonym(s): duct, epithelial_duct, channel
Hypernym(s): passage, passageway
3. canal - noun
· long and narrow strip of water made for boats or for irrigation
Hypernym(s): watercourse, waterway
4. canal - verb
· provide (a city) with a canal
Synonym(s): canalize, canalise
Hypernym(s): supply, provide, render, furnish
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