Canal (Noun)
Meaning 1
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".
Classification
Nouns denoting body parts.
Synonyms
Hypernyms
Hyponyms
- Canal Of Schlemm
- Alimentary Tract
- GI Tract
- Spinal Canal
- Ejaculatory Duct
- Lactiferous Duct
- Ductus Deferens
- Gastrointestinal Tract
- Haversian Canal
- Seminal Duct
- Ductulus
- Ductule
- Schlemm's Canal
- Lacrimal Duct
- Venous Sinus
- Canalis Inguinalis
- Bile Duct
- Urethra
- Common Bile Duct
- Pancreatic Duct
- Sinus
- Cerebral Aqueduct
- Nasolacrimal Duct
- Vagina
- Inguinal Canal
- Cervical Canal
- Umbilical Cord
- Lymph Vessel
- Epididymis
- Sylvian Aqueduct
- Cartilaginous Tube
- Canalis Cervicis Uteri
- Pore
- Vertebral Canal
- Umbilical
- Canaliculus
- Lachrymal Duct
- Salivary Duct
- Bronchiole
- Ureter
- Digestive Tract
- Lymphatic Vessel
- Hepatic Duct
- Vas Deferens
- Alimentary Canal
Meaning 2
(astronomy) an indistinct surface feature of Mars once thought to be a system of channels; they are now believed to be an optical illusion.
Classification
Nouns denoting natural objects (not man-made).
Examples
- Mars has many canals that were mistakenly believed to be a network of channels carved out by ancient civilizations.
- The Martian canal, once considered a riverbed, is now thought to be merely a trick of the eye.
- Early astronomers spent years mapping the canals on Mars, convinced they were actual waterways.
- Modern space probes have disproven the existence of canals on Mars, replacing the earlier theories with more accurate interpretations of the data.
- One of the most prominent canals, the Agathadaemon, was long considered to be a major river system, though it is now known to be an optical illusion.
Meaning 3
Long and narrow strip of water made for boats or for irrigation.
Classification
Nouns denoting man-made objects.