canal

1 of 2

noun

ca·​nal kə-ˈnal How to pronounce canal (audio)
Synonyms of canalnext
1
: a tubular anatomical passage or channel : duct
2
3
: an artificial waterway for navigation or for draining or irrigating land
4
: any of various faint narrow lines on the planet Mars seen through telescopes and once thought by some to be canals built by Martians

canal

2 of 2

verb

canalled or canaled; canalling or canaling

transitive verb

: to construct a canal through or across

Examples of canal in a Sentence

Noun the Panama Canal opened a much easier and shorter passageway from the Atlantic to the Pacific
Recent Examples on the Web
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Noun
Decades of levees and shipping channels destroyed protective ecosystems, leaving the region vulnerable to hurricanes; the closure of a key canal is enabling restoration. Melina Walling, Los Angeles Times, 19 Feb. 2026 Based on the crest fossil’s inner vascular canals and exterior texture, the team theorizes that the cranial accessory was likely housed in keratin and brightly colored. Andrew Paul, Popular Science, 19 Feb. 2026 Analysis of the bone’s vascular canals and surface texture suggests this massive blade was sheathed in a keratinous horn, much like a modern bird’s beak. Mrigakshi Dixit, Interesting Engineering, 19 Feb. 2026 Edgar Rice Burroughs’ A Princess of Mars (1912) tells the story of John Carter, a Civil War soldier mysteriously transported to a Mars inhabited by aliens who dwell along the desert world’s life-giving canals. Big Think, 19 Feb. 2026 See All Example Sentences for canal

Word History

Etymology

Noun

Middle English, from Latin canalis pipe, channel, from canna reed — more at cane

First Known Use

Noun

15th century, in the meaning defined at sense 1

Verb

1792, in the meaning defined above

Time Traveler
The first known use of canal was in the 15th century

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Cite this Entry

“Canal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/canal. Accessed 20 Feb. 2026.

Kids Definition

canal

noun
ca·​nal
kə-ˈnal
1
: a tube-shaped bodily passage or channel : duct
2
: an artificial waterway for boats or for draining or irrigating land
3
: any of various faint narrow lines on the planet Mars seen through telescopes and formerly thought to be canals built by Martians

Medical Definition

canal

noun
ca·​nal kə-ˈnal How to pronounce canal (audio)
: a tubular anatomical passage or channel : duct see alimentary canal, Haversian canal, inguinal canal

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