English noun: canal |
1. | canal (object) (astronomy) an indistinct surface feature of Mars once thought to be a system of channels; they are now believed to be an optical illusion |
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| Broader (hypernym) | channel |
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| Domain category | astronomy, uranology |
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2. | canal (body) a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance |
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| Samples | The tear duct was obstructed. The alimentary canal. Poison is released through a channel in the snake's fangs.
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| Synonyms | channel, duct, epithelial duct |
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| Broader (hypernym) | passage, passageway |
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| Narrower (hyponym) | alimentary canal, alimentary tract, aqueductus cerebri, bile duct, bronchiole, canal of Schlemm, canaliculus, canalis cervicis uteri, canalis inguinalis, canalis vertebralis, cartilaginous tube, cerebral aqueduct, cervical canal, common bile duct, digestive tract, digestive tube, ductule, ductulus, ductus deferens, ejaculatory duct, epididymis, gastrointestinal tract, GI tract, Haversian canal, hepatic duct, inguinal canal, lachrymal duct, lacrimal duct, lactiferous duct, lymph vessel, lymphatic vessel, nasolacrimal duct, pancreatic duct, pore, salivary duct, Schlemm's canal, seminal duct, sinus, sinus venosus sclerae, spinal canal, Sylvian aqueduct, tear duct, umbilical, umbilical cord, ureter, urethra, vagina, vas deferens, venous sinus, vertebral canal |
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| Part holonym | ampulla |
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3. | canal (artifact) long and narrow strip of water made for boats or for irrigation |
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| Broader (hypernym) | watercourse, waterway |
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| Narrower (hyponym) | cut, industrial watercourse, race, raceway, ship canal, shipway |
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| Instance hyponym | Caledonian Canal, Caloosahatchee Canal, Cape Cod Canal, Erie Canal, Grand Canal, Grand Canal, New York State Barge Canal |
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| Part holonym | lock, lock chamber, lockage |
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