From Longman Dictionary of Contemporary Englishseaboardsea‧board /ˈsiːbɔːd $ -bɔːrd/ noun [countable] SGthe part of a country that is near the seaeastern/western/Pacific etc seaboard the eastern seaboard of the US
Examples from the Corpus
seaboard• Along the eastern seaboard, army units were moved from northern states into the South to prevent suspected insurrection.• The effects of the storm rippled through the economy of New York and the eastern seaboard, punishing some, rewarding others.• She carried with her the values of the eastern seaboard, sought to perpetuate them, and succeeded.eastern/western/Pacific etc seaboard• Along the eastern seaboard, army units were moved from northern states into the South to prevent suspected insurrection.• The effects of the storm rippled through the economy of New York and the eastern seaboard, punishing some, rewarding others.• It happened in a rural Branch not a million miles from the Western seaboard of Ireland.• She carried with her the values of the eastern seaboard, sought to perpetuate them, and succeeded.• The new port at Laem Chabang, on the eastern seaboard, was scheduled for completion in 1991. 