canals

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
• a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance
• long and narrow strip of water made for boats or for irrigation
• plural of canal

Verb

• provide (a city) with a canal
• third-person singular simple present indicative of canal

Synonyms

canal, canalise, canalize, channel, duct, epithelial duct