Margin line

What is Margin line?

Margin line definition and meaning on Dictionary terms:
noun Nautical.
an imaginary line used in making calculations regarding the flooding of hulls, running fore-and-aft 3 inches (8 cm) below the upper surface of the bulkhead deck at the side.
the line along which the planking on a transom-sterned vessel terminates aft.

 

reference: https://www.dictionary.com/browse/margin-line

Tags: