canal meaning and definition

CANAL noun

Definition of canal (noun)

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"
   • synonyms: channel, duct, epithelial duct
3. long and narrow strip of water made for boats or for irrigation

CANAL verb

Definition of canal (verb)

1. provide (a city) with a canal
   • synonyms: canalise, canalize