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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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
An oil tanker transiting the Strait of Hormuz was intercepted by smaller vessels and diverted into Iranian territorial waters, the private security firm Ambrey said on Friday. Amir Daftari, MSNBC Newsweek, 14 Nov. 2025 Coast Guard Oceania District works in conjunction with U.S. Indo-Pacific Command and interagency partners to constantly monitor the activity of foreign military vessels operating near U.S. territorial waters to ensure homeland security and defense. Alexandra Koch, FOXNews.com, 14 Nov. 2025 China has been challenging the boundaries of Taiwan’s contiguous zone—an area of 24 nautical miles around the island—and is threatening to violate its territorial waters, which stretch 12 nautical miles from its shores. Marvin Park, Foreign Affairs, 22 Oct. 2025 Later on Thursday, the Venezuelan government issued a statement saying the aircraft had been detected 75 kilometers (about 46 miles) from its coastline, miles away from standard territorial waters which are typically 12 nautical miles from the coast. Michael Rios, CNN Money, 2 Oct. 2025 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

Browse Nearby Words

Cite this Entry

“Territorial waters.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/territorial%20waters. Accessed 29 Nov. 2025.

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

More from Merriam-Webster on territorial waters

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