CANAL

Definition

1. verb provide (a city) with a canal. — synonyms: canalize, canalise
2. noun (astronomy) an indistinct surface feature of Mars once thought to be a system of channels.
3. noun a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance. — synonyms: duct, epithelial_duct, channel
4. noun long and narrow strip of water made for boats or for irrigation.