freeboard

American  

[free-bawrd, -bohrd] / ˈfriˌbɔrd, -ˌboʊrd /

noun

1. Nautical.

   1. the distance between the level of the water and the upper surface of the freeboard deck amidships at the side of a hull: regulated by the agencies of various countries according to the construction of the hull, the type of cargo carried, the area of the world in which it sails, the type of water, and the season of the year.

   2. (on a cargo vessel) the distance between the uppermost deck considered fully watertight and the official load line.

   3. the portion of the side of a hull that is above the water.

2. Civil Engineering. the height of the watertight portion of a building or other construction above a given level of water in a river, lake, etc.

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freeboard British  

/ ˈfriːˌbɔːd /

noun

1. the space or distance between the deck of a vessel and the waterline

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Etymology

Origin of freeboard

1670–80; free + board; translation of French franc bord

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Example Sentences

See Examples For:

freeboard

Smoke can be seen billowing out of the ship, with a section of the freeboard heavily damaged.

From BBC ● Apr. 18, 2022

Their low freeboard means passengers have little time in an emergency.

From Washington Times ● May 5, 2020

A 2015 report showed that local building standards had prompted a big chunk of the state’s coastal population to add two feet of freeboard.

From Slate ● Sep. 12, 2018

Andrew Varney, of British-based security firm Port 2 Port Maritime, said the Matrix's low freeboard - the distance between a ship's railings and the water - and slower speed made it vulnerable to being boarded.

From Reuters ● May 28, 2013

We had plenty of freeboard, the distance between the water and the gunnel; it would take a mean sea to swamp us.

From "Life of Pi" by Yann Martel

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