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 United Nations Convention on the Law of the Sea defines a coastal state's territorial waters as extending up to 12 nautical miles (13.8 miles) from its coastline, while its exclusive economic zone extends a further 200 nautical miles (230 miles) beyond that. Ryan Chan, MSNBC Newsweek, 19 May 2025 The China Coast Guard claimed that the patrol around the Senkaku Islands was carried out in accordance with the law, referring to the Coast Guard Law that was introduced in 2021, which gives permission to fire on foreign vessels within territorial waters claimed by Beijing. Ryan Chan, MSNBC Newsweek, 5 May 2025 Pope Francis used final Easter address to call for Gaza ceasefire The Maltese government said maritime authorities had received a mayday call shortly after midnight local time from a vessel outside of territorial waters, with 12 crew members and four civilians on board, reporting a fire. Christopher Scicluna and Ilze Filks, USA Today, 2 May 2025 Any country can allow deep-sea mining in its own territorial waters, roughly up to 200 nautical miles from shore, and companies are already lining up to mine U.S. waters. Ernest Scheyder and Jarrett Renshaw, USA Today, 26 Apr. 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

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Cite this Entry

“Territorial waters.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/territorial%20waters. Accessed 24 May. 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

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