sea·​borne | \ ˈsē-ˌbȯrn How to pronounce seaborne (audio) \

Definition of seaborne

1 : borne over or on the sea a seaborne invasion
2 : carried on by oversea shipping seaborne trade

Examples of seaborne in a Sentence

Recent Examples on the Web

The burden of proof is on the U.S. to back up its claims that Iran was behind a spate of attacks on oil tankers near the Strait of Hormuz, a shipping chokepoint through which about 40% of the world’s seaborne oil travels. Zainab Fattah, Fortune, "U.S. Navy Says It Has Proof Iran Was Involved in Oil Tanker Attacks," 19 June 2019 The majority of China’s seaborne petroleum imports pass through the narrow waterway between the Malay Peninsula and the Indonesian island of Sumatra. Yantoultra Ngui, WSJ, "China Stirs Suspicion With Unusual Maritime-Threat Alert," 11 July 2019 Kings of Beer Fort Point, a 19th century stronghold at the entrance to San Francisco Bay, was built to protect the American West from seaborne invaders. Peter Rowe, San Diego Union-Tribune, "Warm day, cold beer, hot cause: San Diego Festival of Beer battles cancer," 3 Sep. 2019 But even amid the seaborne laughter, passengers were rattled by the recent market turbulence. Robert Weisman,, "As baby boomers watch stocks swing wildly, their future seems less secure," 3 Sep. 2019 Roughly a third of the world’s seaborne oil is shipped via the strait, some of which falls within Iranian waters. Robin Wright, The New Yorker, "Iran’s Eye-for-an-Eye Strategy in the Gulf," 19 July 2019 Brokers in Singapore and London said the seaway carries a high-risk premium—now, more than any other seaborne trade route. Benoit Faucon, WSJ, "Gulf of Oman Attacks Scramble a Crucial but Dangerous Shipping Route," 13 June 2019 The legality of these operations depends on where the seaborne interceptions take place. Paul A. Kramer, The New Republic, "The Harsh World of Offshore Borders," 8 Aug. 2019 The Marine Corps lamented the loss of firepower, which left the Mk 45 5-inch guns mounted on guided missile cruisers and destroyers as the only guns in the fleet available to support seaborne invasions. Kyle Mizokami, Popular Mechanics, "Everything We Know About the USS Zumwalt Destroyers," 5 Aug. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'seaborne.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of seaborne

1823, in the meaning defined at sense 1

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sea bottle


sea boy

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Last Updated

10 Oct 2019

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Time Traveler for seaborne

The first known use of seaborne was in 1823

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English Language Learners Definition of seaborne

: carried in a ship sailing across the sea
: involving or using ships that sail across the sea

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a bell tower

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