seaboard

Definition

The area bordering the sea; a coastline; a sealine.

Etymology

From earlier sea-bord, perhaps continuing (with change in meaning) Middle English see bord (“porthole cover, seaward side”), equivalent to sea + board.

Example Sentences

• "While De Anza was exploring the Bay of San Francisco, seeking a site for the presidio, the American colonists on the eastern seaboard, three thousand miles away, were celebrating the signing of the Declaration of Independence."
• "Recently the Great Northern Railway, U,S.A., which has a considerable mileage of line bordering the Pacific seaboard, has put in service mobile equipment for applying anti-corrosion treatment to rails."