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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Washington sees the Strait of Hormuz as exclusively an international waterway, whereas Tehran sees it as part of it territorial waters. Elizabeth Mendenhall, Fortune, 15 Apr. 2026 Washington sees the Strait of Hormuz as exclusively an international waterway, whereas Tehran sees it as part of it territorial waters. Elizabeth Mendenhall, The Conversation, 14 Apr. 2026 The Strait of Hormuz Before the war, ships freely passed through the Strait of Hormuz, in the territorial waters of Iran and Oman. Jon Gambrell, Chicago Tribune, 8 Apr. 2026 The strait is in the territorial waters of both Oman and Iran. ABC News, 8 Apr. 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 25 Apr. 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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