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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The building, known in German as the Kehlsteinhaus, is located on a cliff 6,017 feet above sea level. — Geir Moulson, Los Angeles Times, 25 Oct. 2026 The building, known in German as the Kehlsteinhaus, is located on a cliff 1,834 meters (6,017 feet) above sea level. — ABC News, 24 Oct. 2026 The epicenter was about 11 miles southwest of Toms Place, above sea level. — Ca Earthquake Bot, Sacbee.com, 24 Oct. 2026 Oyamel firs thrive in cool, moist, mountainous environments, usually between 1,200 and 4,100 meters (3,940–13,450 feet) above sea level, where fog and precipitation are common. — Encyclopedia Britannica, 23 Oct. 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

Rhymes for sea level

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Browse Nearby Words

sea lettuce
sea level
seal fishery
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Cite this Entry

“Sea level.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sea%20level. Accessed 27 Oct. 2026.

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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

Britannica.com: Encyclopedia article about sea level

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