Word not found in any official scrabble dictionaries.
"Seaboat" Definition
noun
A boat designed for use at sea.
Source: Wiktionary
A vessel considered with reference to her sea-going qualities or behavior at sea: as, a good or a bad sea-boat.
Source: Century Dictionary
A sea-bug.
Source: Century Dictionary
A boat that is seaworthy; that is adapted to the open seas.
Source: Wordnet
A boat or vessel adapted to the open sea; hence, a vessel considered with reference to her power of resisting a storm, or maintaining herself in a heavy sea.
A chiton.
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