Freeboard
Freeboard is defined as the working distance between the top rail of the gunwale to the water's surface, and will vary based on the vessel design.
Source
50 CFR § 635.2
Scoping language
In addition to the definitions in the Magnuson-Stevens Act, ATCA, and 600.10 of this chapter, the terms used in this part have following meanings. If applicable, the terms used in this part supercede those used in 600.10: