noun

seaboard

seaboard, coastline, coast

The eastern seaboard has many large cities.

The eastern seaboard has many large cities.

((the ... seaboard)) a region bordering the sea The eastern seaboard is densely populated.

Synonyms: coastline, coast, shore

From "sea" + "board" (edge, border). The land bordering the sea.

Picture a long wooden board running along the edge of the sea.

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