Seaboard

noun

noun ·2 syllables ·Uncommon ·Advanced level

Definitions

Noun
  1. 1
    The area bordering the sea; a coastline; a sealine.

    "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."

  2. 2
    the shore of a sea or ocean regarded as a resort wordnet

Synonyms

All synonyms
seashoretidewaterbankbeachbermcoast

Example

More examples

"She has answered, France has answered, in thunderings articulate, / From the Alps and either Seaboard, to the Pyrenees, the Rhine; / And though a horde of demagogues may bellow and gesticulate, / They know this is a victory of the PEOPLE'S RIGHT DIVINE."

Etymology

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

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.