Inland sea
WordNet

noun


(1)   An arm of the Pacific Ocean in southern Japan; surrounded by the islands of Honshu and Shikoku and Kyushu and linked to the Sea of Japan by a narrow channel; the chief port is Hiroshima
WiktionaryText

Noun


  1. a large, but relatively shallow expanse of water, within a land mass, sometimes connected to the ocean
 
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