sea boat

noun

Definition of sea boat

  1. 1 :  a boat adapted to the open sea: such as a :  a ship having the power, size, and equipment for maintaining itself on the high seas these lighter craft cannot be considered sea boats :  a ship that handles well in heavy seas the best sea boat we ever owned b :  a ship's boat adapted for use at sea

  2. 2 :  chiton 2

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quaintly unconventional or refined

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