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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Sustained winds were a hundred and eighty-five miles per hour, but a reconnaissance mission to the eyewall found gusts at sea level in excess of a hundred and ninety miles per hour, and much higher a few hundred feet up. Heidi Blake, New Yorker, 28 Oct. 2025 For ultimate hurricane resistance, each home is built 16 feet above sea level on a solid concrete slab foundation. Ryan Ballogg, Miami Herald, 28 Oct. 2025 Anyway, Engineer Pass tops out at 12,800 feet above sea level. Frederick Dreier, Outside, 27 Oct. 2025 The park sits about 5,000 feet above sea level, and towering pine, fir and cedar trees line its trails and roads. Maura Fox, San Diego Union-Tribune, 25 Oct. 2025 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 1 Nov. 2025.

Kids Definition

sea level

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

More from Merriam-Webster on sea level

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