from The Century Dictionary.

  • noun A swell of the sea occurring in a calm, and with no other indication of a previous gale.


Sorry, no etymologies found.


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  • During the afternoon, a ground-sea crept into the bay, silently rolling in like an unbidden unannounced guest who will not name his business.

    A Poor Man's House Stephen Sydney Reynolds 1900

  • Of the wave when it runs with tossing spray, and the ground-sea rattles of Death;

    The Seven Whistlers 1895


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