sea level

noun

: the level of the surface of the sea especially at its mean position midway between mean high and low water compare ground level sense 1a

Examples of sea level in a Sentence

Recent Examples on the Web
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What works in Munich, nearly 609 meters above sea level, may not work in Rome. Matthew Futterman, New York Times, 25 May 2026 Coastal Louisiana faces sea level rise of around 10 to 23 feet, according to the analysis published in May in the journal Nature Sustainability. Laura Paddison, CNN Money, 25 May 2026 Southern Louisiana is plagued by coastal erosion, rising sea levels, and stronger and stronger hurricanes. Letters To The Editor, The Orlando Sentinel, 23 May 2026 Melting glaciers and ice caps also will add to sea levels. Bill Kearney, Sun Sentinel, 23 May 2026 See All Example Sentences for sea level

Word History

First Known Use

1806, in the meaning defined above

Time Traveler
The first known use of sea level was in 1806

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Cite this Entry

“Sea level.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sea%20level. Accessed 30 May. 2026.

Kids Definition

sea level

noun
: the height of the surface of the sea midway between the average high and low tides

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