territorial waters

plural noun

: the waters under the sovereign jurisdiction of a nation or state including both marginal sea and inland waters

Examples of territorial waters in a Sentence

Recent Examples on the Web
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The strait has long been considered an international waterway despite being in Iran and Oman’s territorial waters. Jon Gambrell, Los Angeles Times, 30 June 2026 The global community has long considered the strait an international passageway, despite its sitting in Iran and Oman’s territorial waters. Jon Gambrell, Fortune, 28 June 2026 The global community has long considered the strait an international passageway, despite its location in Iran and Oman’s territorial waters. Jon Gambrell, Chicago Tribune, 28 June 2026 The strait is considered an international waterway, despite being the territorial waters of Iran and Oman. Arkansas Online, 28 June 2026 See All Example Sentences for territorial waters

Word History

First Known Use

1841, in the meaning defined above

Time Traveler
The first known use of territorial waters was in 1841

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Cite this Entry

“Territorial waters.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/territorial%20waters. Accessed 6 Jul. 2026.

Legal Definition

territorial waters

noun plural
territorial wa·​ters
: the waters under the sovereign jurisdiction of a nation or state including both marginal sea and inland waters

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