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Medical Definition of Seaboat
1. 
1. 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; as, a good sea boat.
2. 
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1. 
1. 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; as, a good sea boat.
2.