margin line
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.
Nearby words
margherita, margie, margin, margin account, margin call, margin line, margin of safety, margin plank, marginal, marginal cost, marginal costing
Origin of margin line
First recorded in 1840–50
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019