Inland Sea

noun

1. a sea in SW Japan, enclosed by the islands of Honshu, Shikoku, and Kyushu. 240 miles (385 km) long.

Inland Sea

noun

1. Japanese name: Seto Naikai. a sea in SW Japan, between the islands of Honshu, Shikoku, and Kyushu

Example Sentences

Appeared in the October 4, 2025, print edition as 'In Peril On an Inland Sea'.

Read more on The Wall Street Journal

The sculpture has long been an Instagram darling, with tourists lining up to pose next to it against the backdrop of the Seto Inland Sea.

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Japanese coast guard ships and aircraft have been searching since Friday for three missing crew members of the cargo ship after the collision with a Marshall Islands-registered tanker in the Seto Inland Sea.

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With the sun just beginning to set over the Inland Sea and with a stomach full of udon, I found myself drawn to the museum’s periphery.

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All around is a head-clearing view over the great, still blue plate of the Inland Sea, islands upon islands silhouetted in the distance.

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Related Words

• basin 
• lagoon 
• pond 
• pool 
• reservoir